Given the sentence "A man in an orange jacket is looking at stones stacked in columns." is it true that "A man in an orange jacked looks at some stones."?

yes
Explanation: The stones that the man looks at are the stoned stacked in columns..

Premise: "Two men are cleaning up dried leaves using leaf-blowers."
Hypothesis: "The two men are brothers."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

it is not possible to tell
Explanation: Men can clean up dried leaves using leaf-blowers and not be brothers..

Can we conclude from "A gentleman with two milk jugs." that "The gentleman is with at lease one milk jug."?
Options:
- yes
- no
- it is not possible to tell

yes
Explanation: If he has two milk jugs or more he has at least one milk jug..

Given the sentence "A man does a back flip into a pool while onlookers watch." is it true that "A man rides his bicycle in a park."?
no
Explanation: Doing a back flip and riding a bicycle are two different activities..