[Q] Premise: "A man with a mustache talking on a cellphone."
Hypothesis: "A man is talking to someone."
Do we know that the hypothesis entailed by the premise?
[A] The man is talking on a cellphone so the man is talking to someone.
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.

[Q] Premise: "A bearded and tattooed man sits outside."
Hypothesis: "A bearded man touches his beard."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
[A] A bearded man sitting outside in no way implies that he sits and touches his beard.
The answer is it is not possible to tell.