Test for natural language inference.
Premise: "The cowboy in blue is trying not to be thrown off of the horse."
Hypothesis: "The cowboy is chasing after his horse."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

no
Explanation: One who is trying not to be thrown off is not one who is chasing..

Test for natural language inference.
Premise: "Children in bright swimwear are seen playing in a fountain set in an outdoor plaza."
Hypothesis: "The children are having spaghetti."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

no
Explanation: If the children were playing in a fountain then they would not be having a meal of spaghetti at the same time..

Premise: "Black and white dog has blue ball in mouth."
Based on this premise, can we conclude that the hypothesis "An animal is carrying a ball." is true?
Options:
- yes
- it is not possible to tell
- no

yes
Explanation: A dog is an animal that is carrying a ball in mouth..

Premise: "Two elderly people walk down a city sidewalk by words written in chalk."
Hypothesis: "An old married couple walks near some words they just wrote on the sidewalk."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
it is not possible to tell
Explanation: Not all eldery people are an old married couple. Not all graffiti is just wrote by passerby..