Reasoning & Answer: Doing a trick on a bike does not necessarily imply that the bike belongs to the person doing a trick.
it is not possible to tell
Question: Premise: "The man is doing a trick on his green bike."
Hypothesis: "The bike belongs to the man."
Do we know that the hypothesis entailed by the premise?

Reasoning & Answer: A railing is a fence. Being in front of a waterfall most likely implies looking at a waterfall.
yes
Question: Given the sentence "A woman and a girl sitting on a fence in front of a waterfall." can we conclude that "A woman and girl looking at a waterfall from a railing."?
Options:
- yes
- it is not possible to tell
- no

Reasoning & Answer: A man and women are dancing the tango and she is on his shoulder.
it is not possible to tell
Question:
Test for natural language inference.
Premise: "A man and a woman are dancing."
Hypothesis: "The woman is on top of the man's shoulder and the man looks about ready to helicopter the woman."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell