QUESTION: Premise: "Two women standing at a train station in the rain."
Hypothesis: "The women are standing at a station."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A train station is typically outside and thus can be rained on.
The answer is yes.

QUESTION: Given the sentence "This boy is asking for ice cream to eat in this summer." is it true that "The boy is sweating."?

Let's solve it slowly: This boy is asking for ice cream to eat in this summer does not indicate that he is sweating.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A young ballerina takes lessons from her teacher in a dance studio." is it true that "The girl is getting ready for a dance show."?

Let's solve it slowly:
The dancer could have a reason other than getting ready for a dance show.
The answer is it is not possible to tell.