Likes/dislikes survey

Students interview classmates about likes/dislikes.
One question per student, with extras for early finishers.

How many people in the class like swimming?
How many people in the class don't like swimming?
How many people are not sure, or don't know?
How many people in the class like studying?
How many people in the class don't like studying?
How many people are not sure, or don't know?
How many people in the class like bowling?
How many people in the class don't like bowling?
How many people are not sure, or don't know?
How many people in the class like dancing?
How many people in the class don't like dancing?
How many people are not sure, or don't know?
How many people in the class like cats?
How many people in the class don't like cats?
How many people are not sure, or don't know?
How many people in the class like coffee?
How many people in the class don't like coffee?
How many people are not sure, or don't know?
How many people in the class like HK movies?
How many people in the class don't like HK movies?
How many people are not sure, or don't know?
How many people in the class like hiking?
How many people in the class don't like hiking?
How many people are not sure, or don't know?
How many people in the class like traveling?
How many people in the class don't like traveling?
How many people are not sure, or don't know?