Given the sentence "A man on a red motorcycle." is it true that "A man is sitting on a motorcycle."?

yes
Explanation: On a motorcycle can be re-phrased as sitting on a motorcycle..

Given the sentence "A rural mexican amigo posing for a photo." is it true that "He is smiling for a photo."?

it is not possible to tell
Explanation: Not all rural mexican amigo posing for a photo is smiling..

Premise: "A little girl balances on a gymnastics beam."
Hypothesis: "The girl is wearing a leotard."
Do we know that the hypothesis entailed by the premise?

it is not possible to tell
Explanation: A girl on a balance beam is not necessarily wearing a leotard -- she could be wearing anything..

Test for natural language inference.
Premise: "Two small children rowing a small kayak."
Hypothesis: "The children are rowing the kayak through rapids."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
it is not possible to tell
Explanation: Rowing a kayak is very different than rowing a kayak through rapids..