Sentence 1: How did you know? I whispered.

Sentence 2: I was silent.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: uh this one man they went to check on their ticket and the other man at their table started taking their plates and and in fear just piling their food on his plate and shoving it in his mouth i mean this was in one night and i was just sitting there thinking now

Sentence 2: He was eating large amounts of food at once.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: well that's great that

Sentence 2: Hey, we agree that's really good.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell