QUESTION: If "The three friends were enjoying refreshments outside their car." does that mean that "The three friends have been friends since they were kids."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The friends could have been friends for any length of time.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "An old skinny man wearing the dirty white shirt riding on a bicycle on the street."
Hypothesis: "A man is biking to work."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Riding in a white shirt on a bicycle on the street does not necessarily mean biking to work.
The answer is it is not possible to tell.

Q: Given the sentence "A man is sitting in a chair with his dog and a beer in hand." can we conclude that "The man is giving beer to his dog."?
Options:
- yes
- it is not possible to tell
- no
A: Having a beer in hand does not imply giving beer to a dog.
The answer is it is not possible to tell.

QUESTION: Given the sentence "Two girls crouch in front of some bushes and talk on their phones." can we conclude that "There are birds in the bush."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Two girls can crouch in front of some bushes that don't have birds.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "A flight attendant is pushing a beverage cart through the isles of an airplane." that "The attendant is serving food."?
Options:
- yes
- no
- it is not possible to tell
The attendant is serving beverages from the cart and is not serving food.
The answer is no.

Q: Test for natural language inference.
Premise: "An older man and a young child in a costume interact with one another."
Hypothesis: "The grandparent is speaking to their grandchild."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
Older man does not imply grandparent and child does not imply grandchild.
The answer is it is not possible to tell.