Consider the problem of deciding whether or not to play tennis, based on the attributes of rain and wind of the morning in question. Here is a set of training examples.

Example	PlayTennis	Wind	Rain
1	false	True	False
2	false	True	True
3	true	False	True
4	false	False	False
5	true	True	False
6	true	True	True

According to the information gain, which attribute will be chosen as the root of the decision tree learned from these examples? (Hint: log₂ 3 = 1.6)