Next Question: Premise: "Two persons are in a field and are holding up a bundle of dry grass over their heads."
Hypothesis: "Two people outside."
Do we know that the hypothesis entailed by the premise?
My Answer: Let's think. People are type persons and they are in a field implies are they are outside. The answer is yes.

Next Question: Premise: "A young boy covering his face while sitting on a trampoline."
Hypothesis: "The boy is embarrassed after his fall."
Do we know that the hypothesis entailed by the premise?
My Answer: Let's think. Not everyone who covers their face is embarrassed. He may not have had a fall. The answer is it is not possible to tell.

Next Question: Premise: "Four children gather in front of a fence."
Hypothesis: "Four children prepared for a foot race."
Do we know that the hypothesis entailed by the premise?
My Answer: Let's think. Four children gather in front of a fence does not imply that they prepared for a foot race. The answer is it is not possible to tell.

Next Question: Premise: "A group of people in formal attire."
Hypothesis: "A group of people are wearing business attire."
Do we know that the hypothesis entailed by the premise?
My Answer:
Let's think. They cannot wear formal attire and business attire at the same time. The answer is it is not possible to tell.