[QUESTION] Premise: "A woman in a helmet poses by her bicycle."
Hypothesis: "A girl sits next to her bicycle."
Do we know that the hypothesis entailed by the premise?
Posing by a bicycle does not imply the girl sits by it.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "Three teenage girls walking down the sidewalk together on a nice day." is it true that "Girls are walking in the daytime."?
If the girls are walking on a nice day that means it is daytime.
The answer is yes.

[QUESTION] Premise: "One person is standing on a bridge at night."
Hypothesis: "The person is outside at night."
Do we know that the hypothesis entailed by the premise?
You would likely be outside if you are standing on a bridge.
The answer is yes.

[QUESTION] Given the sentence "Eight go kart racers speed around the curves at fast paced speeds as they all race of the same goal of finishing first on their mind as the compete in a race." is it true that "The go karts are red."?
Go karts can be of any colors and not necessarily red.
The answer is it is not possible to tell.