Question and answer: Q: Test for natural language inference.
Premise: "Two men wearing bright orange safety vests are working to repair electrical lines."
Hypothesis: "Two men working on electrical lines are sabotaging them."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: it is not possible to tell
Explanation: Men working to repair does not imply they are sabotaging them.

Question and answer: Q: Can we conclude from "Three people wearing colorful costumes and masks sitting between two stone statues." that "A group of people in costumes are sitting near two statues."?
Options:
- yes
- no
- it is not possible to tell
A: yes
Explanation: Three people are a group of people; wearing costumes means being in costumes; sitting between two statues means one must be sitting near two statues.

Question and answer: Q: Premise: "Two lab scientists look in a book to discover what is under the microscope."
Hypothesis: "Two scientists are taking soil samples."
Do we know that the hypothesis entailed by the premise?
A: no
Explanation:
One can not be taking samples and look in a book simultaneously.