[QUESTION] Can we conclude from "Two men competing in martial arts." that "People compete at a formal sport event."?
Options:
- yes
- no
- it is not possible to tell
Competing in martial arts does not imply to compete at a formal event.
The answer is it is not possible to tell.

[QUESTION] If "A young boy jumps off of a plank into a lake." does that mean that "A young boy jumps into a lake."?
Options:
- yes
- it is not possible to tell
- no
The boy jumps off a plank into a lake therefore he must go into the lake.
The answer is yes.

[QUESTION] If "Several african women sit in front of a hut." does that mean that "Women talking outside."?
Options:
- yes
- it is not possible to tell
- no
No evidence these African women sitting in front of a hut are talking outside. They may be silently praying.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A group of three young adults stopped to pose for a picture outside a clothing shop."
Hypothesis: "Three teenage girls are shopping for new clothes."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Being outside a clothing shop does not imply shopping for new clothes.
The answer is it is not possible to tell.