[QUESTION] If "A woman in a jean jacket with clenched fist looking down." does that mean that "A woman in a jean jacket with clenched fist looking down is upset."?
Options:
- yes
- it is not possible to tell
- no
Not all woman in a jean jacket with clenched fist looking down is upset.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "One man shoveling sand while another looks on."
Hypothesis: "One man waiting for his turn to use the shovel after another man finishes with it."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The man looking on may not be waiting to use the shovel.
The answer is it is not possible to tell.

[QUESTION] Premise: "Four women at a bar having a laugh."
Hypothesis: "Women are drinking beer."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
The women mentioned might not be drinking anything or not drinking beer specifically.
The answer is it is not possible to tell.

[QUESTION] Premise: "A boy performing tricks on a brick wall with a skateboard."
Based on this premise, can we conclude that the hypothesis "A boy riding a skateboard." is true?
Options:
- yes
- it is not possible to tell
- no
Performing tricks with a skateboard implies that he is riding a skateboard.
The answer is yes.