Student asked: Premise: "Surfer riding a wave."
Based on this premise, can we conclude that the hypothesis "A surfer is about to fall off their board." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. It cannot be said that the surfer is about to fall off their board. The answer is it is not possible to tell.

Student asked: Premise: "There are four people in a kayak riding along a body of water."
Based on this premise, can we conclude that the hypothesis "Four people riding in a kayak." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Four people are just riding in a kayak along a body of water. The answer is yes.

Student asked: Given the sentence "Three young african-american girls smile for the camera." is it true that "Three girls taking a selfie."?
Teacher's response: Let's think. Three girls smiling for a camera does not make them taking selfie. Any other person could have been taking a photograph of them. The answer is it is not possible to tell.

Student asked: Premise: "A little boy is playfully jumping off the side of a fountain."
Based on this premise, can we conclude that the hypothesis "A boy is playing near a fountain." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A boy playfully jumping off the side of a fountain must be playing near a fountain. The answer is yes.