If "A man painting as another man watches by the river." does that mean that "A painter is cleaning his paint brushes by a lake."?
Options:
- yes
- it is not possible to tell
- no

no
Explanation: A river is not a lake and you can't paint at the same time as you clean your brushes..

Given the sentence "A black dog in a grassy field fetching a colourful toy." is it true that "The dog has no mouth."?

no
Explanation: The dog has a mouth because it can fetch a colourful toy..

Test for natural language inference.
Premise: "A group of men are engaged in dialogue at work."
Hypothesis: "Some men are talking."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

yes
Explanation: Group means some men and engaged in dialogue is same as talking..

Given the sentence "A girl with blue highlights watches a dog leap to catch a frisbee." can we conclude that "A dog is playing fetch with its owner."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell
Explanation: A dog catches a frisbee does not imply the dog is playing fetch with its owner..