Premise: "A person in a blue shirt and hat working on a roof of a structure that is behind a fence."
Based on this premise, can we conclude that the hypothesis "A person in a blue shirt and hat working on a roof of a structure that is behind a fence." is true?
Options:
- yes
- it is not possible to tell
- no

yes
Explanation: Working on a roof of a structure is where one would be working on a roof..

Premise: "A man wearing a blue and white plaid shirt is sitting at an outdoor restaurant table."
Based on this premise, can we conclude that the hypothesis "Looking at a menu while a waiter waits to take his order." is true?
Options:
- yes
- it is not possible to tell
- no

it is not possible to tell
Explanation: The man is being obnoxious and ordering for his date while she is in the restaurant..

Test for natural language inference.
Premise: "Three surgeons operate on a patient while wearing magnifying lenses on their safety glasses."
Hypothesis: "Three lumberjacks are performing surgery."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

no
Explanation: The people performing the surgery cannot be surgeons if they are lumberjacks..

Premise: "The boy laying face down on a skateboard is being pushed along the ground by another boy."
Hypothesis: "Two boys are playing with a skateboard."
Do we know that the hypothesis entailed by the premise?
yes
Explanation: Laying face down on a skateboard implies playing with the skateboard..