1 0 0 0 1 1 0 1 0 1
24 19
First five examples
['?', 'myope', 'no', 'reduced', 'none']
['young', 'myope', 'no', 'normal', '?']
['young', 'myope', 'yes', 'reduced', 'none']
['young', 'myope', 'yes', 'normal', 'hard']
['young', 'hypermetrope', 'no', 'reduced', 'none']

Examples without unknown values
['young', 'myope', 'yes', 'reduced', 'none']
['young', 'myope', 'yes', 'normal', 'hard']
['young', 'hypermetrope', 'no', 'reduced', 'none']

Examples without unknown values, ignoring 'age'
['?', 'myope', 'no', 'reduced', 'none']
['young', 'myope', 'yes', 'reduced', 'none']
['young', 'myope', 'yes', 'normal', 'hard']
['young', 'hypermetrope', 'no', 'reduced', 'none']

Examples with unknown values (ignoring age)
['young', 'myope', 'no', 'normal', '?']

Examples with unknown values (Filter_hasSpecial)
['?', 'myope', 'no', 'reduced', 'none']
['young', 'myope', 'no', 'normal', '?']

Examples with no unknown values (Filter_hasSpecial)
['young', 'myope', 'yes', 'reduced', 'none']
['young', 'myope', 'yes', 'normal', 'hard']
['young', 'hypermetrope', 'no', 'reduced', 'none']

Examples with defined class
['?', 'myope', 'no', 'reduced', 'none']
['young', 'myope', 'yes', 'reduced', 'none']
['young', 'myope', 'yes', 'normal', 'hard']
['young', 'hypermetrope', 'no', 'reduced', 'none']

Examples with undefined class
['young', 'myope', 'no', 'normal', '?']

Young examples
['young', 'myope', 'no', 'normal', '?']
['young', 'myope', 'yes', 'reduced', 'none']
['young', 'myope', 'yes', 'normal', 'hard']
['young', 'hypermetrope', 'no', 'reduced', 'none']
['young', 'hypermetrope', 'no', 'normal', 'soft']
['young', 'hypermetrope', 'yes', 'reduced', 'none']
['young', 'hypermetrope', 'yes', 'normal', 'hard']

Young or presbyopic with astigmatism
['young', 'myope', 'yes', 'reduced', 'none']
['young', 'myope', 'yes', 'normal', 'hard']
['young', 'hypermetrope', 'yes', 'reduced', 'none']
['young', 'hypermetrope', 'yes', 'normal', 'hard']
['presbyopic', 'myope', 'yes', 'reduced', 'none']
['presbyopic', 'myope', 'yes', 'normal', 'hard']
['presbyopic', 'hypermetrope', 'yes', 'reduced', 'none']
['presbyopic', 'hypermetrope', 'yes', 'normal', 'none']

Young or presbyopic with astigmatism
['young', 'myope', 'yes', 'reduced', 'none']
['young', 'myope', 'yes', 'normal', 'hard']
['young', 'hypermetrope', 'yes', 'reduced', 'none']
['young', 'hypermetrope', 'yes', 'normal', 'hard']
['presbyopic', 'myope', 'yes', 'reduced', 'none']
['presbyopic', 'myope', 'yes', 'normal', 'hard']
['presbyopic', 'hypermetrope', 'yes', 'reduced', 'none']
['presbyopic', 'hypermetrope', 'yes', 'normal', 'none']

Young or presbyopic with astigmatism
['young', 'myope', 'yes', 'reduced', 'none']
['young', 'myope', 'yes', 'normal', 'hard']
['young', 'hypermetrope', 'yes', 'reduced', 'none']
['young', 'hypermetrope', 'yes', 'normal', 'hard']
['presbyopic', 'myope', 'yes', 'reduced', 'none']
['presbyopic', 'myope', 'yes', 'normal', 'hard']
['presbyopic', 'hypermetrope', 'yes', 'reduced', 'none']
['presbyopic', 'hypermetrope', 'yes', 'normal', 'none']

Young or presbyopic with astigmatism
['young', 'myope', 'yes', 'reduced', 'none']
['young', 'myope', 'yes', 'normal', 'hard']
['young', 'hypermetrope', 'yes', 'reduced', 'none']
['young', 'hypermetrope', 'yes', 'normal', 'hard']
['presbyopic', 'myope', 'yes', 'reduced', 'none']
['presbyopic', 'myope', 'yes', 'normal', 'hard']
['presbyopic', 'hypermetrope', 'yes', 'reduced', 'none']
['presbyopic', 'hypermetrope', 'yes', 'normal', 'none']

Young or presbyopic or astigmatic
['?', 'myope', 'no', 'reduced', 'none']
['young', 'myope', 'no', 'normal', '?']
['young', 'myope', 'yes', 'reduced', 'none']
['young', 'myope', 'yes', 'normal', 'hard']
['young', 'hypermetrope', 'no', 'reduced', 'none']
['young', 'hypermetrope', 'no', 'normal', 'soft']
['young', 'hypermetrope', 'yes', 'reduced', 'none']
['young', 'hypermetrope', 'yes', 'normal', 'hard']
['pre-presbyopic', 'myope', 'yes', 'reduced', 'none']
['pre-presbyopic', 'myope', 'yes', 'normal', 'hard']
['pre-presbyopic', 'hypermetrope', 'yes', 'reduced', 'none']
['pre-presbyopic', 'hypermetrope', 'yes', 'normal', 'none']
['presbyopic', 'myope', 'no', 'reduced', 'none']
['presbyopic', 'myope', 'no', 'normal', 'none']
['presbyopic', 'myope', 'yes', 'reduced', 'none']
['presbyopic', 'myope', 'yes', 'normal', 'hard']
['presbyopic', 'hypermetrope', 'no', 'reduced', 'none']
['presbyopic', 'hypermetrope', 'no', 'normal', 'soft']
['presbyopic', 'hypermetrope', 'yes', 'reduced', 'none']
['presbyopic', 'hypermetrope', 'yes', 'normal', 'none']
