Given the sentence "A boy in an orange snorkel mask swims underwater." is it true that "A snorkeling boy looks for coral."?

it is not possible to tell
Explanation: We didn't know why the boy was snorkeling but now we know he is looking for coral specifically..

Test for natural language inference.
Premise: "A man is holding a knife and a coconut on a tropical beach."
Hypothesis: "A man is going to break a coconut."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

it is not possible to tell
Explanation: Holding a knife and a coconut does not necessarily imply he's going to break the coconut..

Given the sentence "Man and his son wave as they ride a small train." can we conclude that "Man and his son are travelling by train."?
Options:
- yes
- it is not possible to tell
- no

yes
Explanation: To ride a train is the same as travelling by train..

Premise: "Blond woman sitting on city bench reading a magazine in the shade."
Based on this premise, can we conclude that the hypothesis "The woman is off work." is true?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell
Explanation: If you're sitting on a city bench reading then it can't be implied to her being off work..