QUESTION: Given the sentence "About to cut the wedding cake." is it true that "A wedding cake is shattered in pieces on the ground."?

Let's solve it slowly: A wedding cake that is shattered on the ground cannot be cut.
The answer is no.

[QUESTION] If "A dog plays in the sand with a ball." does that mean that "A dog returns a ball that was thrown."?
Options:
- yes
- it is not possible to tell
- no
The dog plays with a ball but it's not necessarily true that the dog returns a ball that was thrown.
The answer is it is not possible to tell.

Q: If "Three girls are horseback riding with the focus on the youngest girl." does that mean that "There are three horses with people riding them."?
Options:
- yes
- it is not possible to tell
- no
A: Girls are people. Three girls horseback riding implies there are three horses with people riding them.
The answer is yes.

QUESTION: Given the sentence "Men in green with yellow hats are standing around a building front." is it true that "Workers are standing outside a building."?

Let's solve it slowly: Not all men in green with yellow hats standing around a building front are workers.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "One of the guys have his mouth open." can we conclude that "The guy has a tightly shut mouth."?
Options:
- yes
- it is not possible to tell
- no
The guy having a tightly shut mouth totally contradicts the guys open mouth in first sentence.
The answer is no.

Q: Test for natural language inference.
Premise: "An older man sitting on a decrepit bike."
Hypothesis: "A man pedals a bike."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
An older man sitting on a bike doesn't imply that he pedals it.
The answer is it is not possible to tell.