[QUESTION] Given the sentence "A couple stands behind their wedding cake." is it true that "The couple stands by the cake."?
To be behind a wedding cake is to be by it.
The answer is yes.

Q: Premise: "A young girl in a white top is giving two thumbs up."
Hypothesis: "The girl is wearing a black skirt."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A young girl in a white top giving two thumbs up is not necessarily wearing a black skirt.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A man is sitting on a bench in front of some purple plants."
Hypothesis: "The man is reading a newspaper while sitting on a bench."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A man can be sitting on a bench without reading a newspaper.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A person in a black tee-shirt is holding a cup of bird food while yellow bird perches on her hand and two children smile in the background." is it true that "The person is working in a nature preserve."?
A person can hold a cup of bird food with a bird perched on her hand without working in a nature preserve.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "Two dogs urinating on a red fire hydrant."
Hypothesis: "Pets are smart enough."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: These sentence have nothing to do with one another. One sentence is explains two animals urinating while the other is explains that animals are smart.
The answer is no.

[QUESTION] Premise: "A woman in a black dress walking by the water."
Hypothesis: "The woman is wearing a black dress."
Do we know that the hypothesis entailed by the premise?
Wearing a dress is the same as being in a dress.
The answer is yes.