5
14
outlook, temperature, humidity, windy, play
Nominal, Ordinal, Nominal, Nominal, Nominal
sunny, overcast, rainy
cool, mild, hot 
normal, high
true, false
yes, no
sunny, hot, high, false, no
sunny, hot, high, true, no
overcast, hot, high, false, yes
rainy, mild, high, false, yes
rainy, cool, normal, false, yes
rainy, cool, normal, true, no
overcast, cool, normal, true, yes
sunny, mild, high, false, no
sunny, cool, normal, false, yes
rainy, mild, normal, false, yes
sunny, mild, normal, true, yes
overcast, mild, high, true, yes
overcast, hot, normal, false, yes
rainy, mild, high, true, no