QUESTION: Given the sentence "Soldiers march in their olive drab uniforms carrying weapons from the wwii era." is it true that "The soldiers are marching in a straight line."?

Let's solve it slowly: Not all soldiers march from the WWII era are marching in a straight line.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A man beige shirt having a drink." is it true that "A man is sitting at the bar having a long island."?

Let's solve it slowly: Not all drinks at a bar are Long Islands and not all drinks are served in a bar.
The answer is it is not possible to tell.

QUESTION: Premise: "A woman in a bathing suit walks a dog on the beach."
Hypothesis: "A dog and its owner stroll on the beach."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
The woman who walks the dog is the owner who strolls the dog.
The answer is yes.