QUESTION: If "One person is exiting the bottom of a long escalator while another has just entered at the bottom." does that mean that "Some people are on an escalator."?
Options:
- yes
- it is not possible to tell
- no

SOLUTION: Let's solve this gradually. One person is exiting an escalator while another is just entering at the bottom so some people are on an escalator.
Answer is yes.

QUESTION: Given the sentence "Burly warehouse worker giving the victory sign." is it true that "An on duty warehouse worker gives a victory sign."?

SOLUTION: Let's solve this gradually. Just because a warehouse worker flashes a victory sign doesn't mean he is on duty. He may flash the victory sign at the end of the work day while he is leaving work.
Answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A woman is signaling is to traffic."
Hypothesis: "As seen from behind."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

SOLUTION: Let's solve this gradually. Someone with their back to the camera is motioning to cars.
Answer is yes.

QUESTION: Premise: "A man in blue jumping a dirt bike."
Hypothesis: "A man in blue falls off a tricycle."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

SOLUTION:
Let's solve this gradually. A man can not be jumping and falling simultaneously. A wheeled device can not be both a bike and a tricycle.
Answer is no.