Q: Given the sentence "The guy on a skateboard unbelievably jumps over a high barrier." is it true that "He is practicing a skateboard trick."?
A: The guy on a skateboard who jumps over a high barrier is not necessarily practicing a skateboard trick.
The answer is it is not possible to tell.

Q: Given the sentence "Guy in black jacket looks on at the poultry section while shopping." can we conclude that "A man buying groceries."?
Options:
- yes
- it is not possible to tell
- no
A: The man may not be buying groceries and could be shopping for other items.
The answer is it is not possible to tell.

Q: Premise: "A woman with five kids all around her with a smile on her face."
Hypothesis: "A woman is smiling."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: The woman has a smile on her face which means she is smiling.
The answer is yes.

Q: Premise: "A surfer wearing a black wetsuit is riding a white wave in the ocean."
Hypothesis: "Someone is on the beach relaxing."
Do we know that the hypothesis entailed by the premise?
A:
Answer; A surfer cannot be riding a wave in the ocean and be relaxing on the beach at the same time.
The answer is no.