Q: Given the sentence "A grandfather is holding his grandson while pushing a stroller at a baseball game." is it true that "A grandfather took his granson and son to the game."?
A: A grandfather is holding his grandson while pushing a stroller at a baseball game does not indicate that a grandfather took his granson and son to the game.
The answer is it is not possible to tell.

Q: Given the sentence "Two men are looking at each other." can we conclude that "Two men can't see each other."?
Options:
- yes
- it is not possible to tell
- no
A: If they can't see then they could not be looking at each other.
The answer is no.

Q: Premise: "Man surfing on board with his dog in the ocean."
Based on this premise, can we conclude that the hypothesis "The man and his dog are running through the park." is true?
Options:
- yes
- it is not possible to tell
- no
A: The man surfing on board cannot be the one running through the park.
The answer is no.

Q: Premise: "Dirty bikers are racing in a dirt track."
Hypothesis: "Some racecars are driving around a paved track."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A:
Bikers are on bikes not race cars. Racing and driving are two different activities. Dirt is different than paved.
The answer is no.