Q: Given the sentence "A man with a mustache works on a broken escalator." can we conclude that "A man is fixing an escalator."?
Options:
- yes
- it is not possible to tell
- no
A: A repair work is been done by a man with a mustache in an escalator.
The answer is yes.

Q: Premise: "A smiling man in a red shirt sits at the wheel of a blue truck."
Based on this premise, can we conclude that the hypothesis "A man has his hands on a steering wheel." is true?
Options:
- yes
- it is not possible to tell
- no
A: Sitting at the wheel or in the driver's seat in a truck doesn't require you to have your hands on the steering wheel.
The answer is it is not possible to tell.

Q: If "A family smiles and poses before they open presents." does that mean that "A family is getting ready to open christmas presents."?
Options:
- yes
- it is not possible to tell
- no
A: Christmas time is not the only time one may be opening presents.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A large brown dog with a muzzle is racing in the mud."
Hypothesis: "A dog has a history of biting."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
A dog with a muzzle does not imply a history of biting.
The answer is it is not possible to tell.