Q: Given the sentence "A couple riding a bike." can we conclude that "Two people outside riding a bike."?
Options:
- yes
- it is not possible to tell
- no
A: Two people can be considered a couple and they are riding a bike.
The answer is yes.

Q: Test for natural language inference.
Premise: "A man on inline skates does a trick on a cracked concrete ramp."
Hypothesis: "A man is skating."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: The man is skating because he first put on inline skates.
The answer is yes.

Q: Premise: "A guy in protective gear is looking and smiling at someone."
Hypothesis: "A guy in protective gear is smiling at someone."
Do we know that the hypothesis entailed by the premise?
A: The guy is smiling at someone because he is looking and smiling at someone.
The answer is yes.

Q: Premise: "A man in a black collared shirt is writing on a chalkboard covered in equations."
Hypothesis: "A man writing equations on a chalkboard."
Do we know that the hypothesis entailed by the premise?
A:
Writingon something is the same as making it covered in something.
The answer is yes.