Q: Given the sentence "A man is pulling a string that is connected to a red hot air balloon." is it true that "The man is tying down a hot air balloon."?
A: Pulling a string and tying down a string doesn't mean the same.
The answer is it is not possible to tell.

Q: Given the sentence "This is a young boy looking to be jumping on the trampoline in a very beautiful neighborhood." is it true that "This is a young boy ready to play on the trampoline."?
A: This is a young boy looking to be jumping on the trampoline in a very beautiful neighborhood does not indicate that this is a young boy ready to play on the trampoline.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "Some people are sitting in a watery pool beside the river."
Hypothesis: "People ejected from their bus scramble out of the river."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: You can't be beside the river if they are scrambling out of the river.
The answer is no.

Q: Given the sentence "Boy jumping in the air with a skateboard." can we conclude that "The boy jumps off a ramp with his skateboard."?
Options:
- yes
- it is not possible to tell
- no
A:
Just because boy jumping in the air with a skateboard does not imply that he jumps off a ramp with his skateboard.
The answer is it is not possible to tell.