Question and answer: Q: Premise: "A man rides a skateboard down the railing of a staircase in front of a closed storefront."
Hypothesis: "With three people watching him."
Do we know that the hypothesis entailed by the premise?
A: it is not possible to tell
Explanation: This was the man's first attempt at grinding a railing on his skateboard and the spectators were impressed.

Question and answer: Q: Premise: "Man with a walking stick walks past a huge wall mural of various workers going about their business."
Hypothesis: "The man is outside walking."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: yes
Explanation: The man has a walking stick so he must be outside.

Question and answer: Q: If "A white and brown dog is playing in the dirt with a toy." does that mean that "A black dog is playing in the dirt."?
Options:
- yes
- it is not possible to tell
- no
A: no
Explanation:
A white and brown dog is different to a black dog.