[QUESTION] Given the sentence "People with umbrellas walking past shops in the rain." is it true that "People with umbrellas walking past shops in the rain."?
People with umbrellas walking past shops in the rain is an exact repetition of people with umbrellas walking past shops in the rain.
The answer is yes.

Q: Premise: "Two dog play with ball while one makes a big jump."
Hypothesis: "One dog plays while another dog jumps over a ball."
Do we know that the hypothesis entailed by the premise?
A: The dog jumping does not necessarily make its jump over a ball.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A black dog and a white dog play in the street together." can we conclude that "The birds are flying over the buses."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The black dog and white dog would not play in the street if there were buses.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "A crowd shopping for olives at the market being helped by people wearing green aprons."
Hypothesis: "The employees are helping a family pick the best olives for their pizza."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Not all people wearing green aprons are employees. Not all crowds shopping together are a family. Not all olives are for pizza.
The answer is it is not possible to tell.

Q: If "A woman wearing a scarf and reading a thin book reclines on a wooden structure." does that mean that "The woman was relaxing in her chair on the surface of the sun."?
Options:
- yes
- it is not possible to tell
- no
A: A scarf would be too hot to be worn in the sun.
The answer is no.

[QUESTION] Given the sentence "He is smiling while having a drink." is it true that "He is frowning at the glass next to him."?
He is either smiling while heaving a drink or frowning at the glass next to him.
The answer is no.