[QUESTION] Can we conclude from "A professional woman wearing a tan uniform as she looks up and smiles while having a high tech microscope in front of her." that "A human looking."?
Options:
- yes
- no
- it is not possible to tell
Humans often look at things and smile when they feel accomplished such as the professional woman who had a high tech microscope.
The answer is yes.

Q: Can we conclude from "A teenager wearing striped shorts and no shirt is skateboarding down a road a long the ocean." that "The teenager is asleep in a tent."?
Options:
- yes
- no
- it is not possible to tell
A: A teenager who is skateboarding cannot at the same time be asleep in a tent.
The answer is no.

QUESTION: If "2 tourists are being photographed in front of a tourist attraction." does that mean that "2 tourists are being photographed by an attraction."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Just because two tourists are being photographed in front of a tourist attraction does not mean they are being photographed by an attraction. There is nothing to indicate that the photographer is an attraction.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man in a multicolored jacket is standing with a bicycle near a child and some ice chests."
Hypothesis: "The man is buying a drink from the child."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Not all man in a multicolored jacket is buying a drink from the child.
The answer is it is not possible to tell.

Q: Given the sentence "A couple of tourist in a chinese market looking at their camera." can we conclude that "The tourists are having a picture taken."?
Options:
- yes
- it is not possible to tell
- no
A: Looking at their camera does not imply having a picture taken.
The answer is it is not possible to tell.

[QUESTION] If "There are several people going up the escalator." does that mean that "People are riding upwards."?
Options:
- yes
- it is not possible to tell
- no
People going up an escalator would be riding the escalator upwards.
The answer is yes.