[QUESTION] Given the sentence "Two people sit on a bench made of brick and slab while a lady in a blue tank top watches what they are doing." is it true that "The men are sitting on the brick bench."?
The bench is either made of brick or brick and slab.
The answer is no.

Q: Premise: "A skateboarder is perfecting his trick on a wall."
Hypothesis: "A boy is riding a bicycle."
Do we know that the hypothesis entailed by the premise?
A: A skateboarder cannot be perfecting a trick while also riding a bicycle at the same time.
The answer is no.

QUESTION: Can we conclude from "A woman and a girl are sitting under a tree." that "Two people are sitting by a tree."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A woman and a girl makes two people. If they are under the tree they are by it.
The answer is yes.

[QUESTION] Premise: "A man and his son on an interesting skateboard."
Based on this premise, can we conclude that the hypothesis "The people are riding a skateboard." is true?
Options:
- yes
- it is not possible to tell
- no
A man and a son constitutes people. Being on a skateboard usually refers to riding it.
The answer is yes.

Q: Can we conclude from "Two young men talk on the street corner under the streetlights." that "Two men sitting on a couch indoors."?
Options:
- yes
- no
- it is not possible to tell
A: Men can be either talk on the street or sitting on a couch indoors.
The answer is no.

[QUESTION] Can we conclude from "A boy and a dog hold onto the same stick in a game." that "A boy is playing tug with his dog."?
Options:
- yes
- no
- it is not possible to tell
Just because a boy and a dog hold onto the same stick doesn't imply playing tug.
The answer is it is not possible to tell.