QUESTION: Can we conclude from "People grabbing a train at the train station." that "People are boarding a train."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: People grabbing a train at a station means they are boarding.
The answer is yes.

[QUESTION] If "A man dressed in black plays a long instrument with others in an orchestra." does that mean that "An empty building."?
Options:
- yes
- it is not possible to tell
- no
An empty building would not have a man along with others.
The answer is no.

Q: If "A boy is surfing." does that mean that "A human is using the tide to move on a board."?
Options:
- yes
- it is not possible to tell
- no
A: A boy is a human and using the tide to move on a board is another way of saying surfing.
The answer is yes.

QUESTION: Premise: "A woman pouring a red drink mixture into some glasses with onlookers passing."
Hypothesis: "The woman pours the red drink in total solitutde."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: The woman would be pouring either in total solitude or with onlookers passing but not both at the same time.
The answer is no.

[QUESTION] Given the sentence "A person swings at a tennis ball." is it true that "A tennis player swings the racket."?
A person is a tennis player and a tennis ball hits the racket.
The answer is yes.

Q: Test for natural language inference.
Premise: "Two separate karate matches are happening between two sets of people while being officiated by men in suits."
Hypothesis: "People are competing for the championship in karate."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
The karate matched may not be at a championship and the participants may not be competing.
The answer is it is not possible to tell.