Sentence 1: um-hum couldn't

Sentence 2: He couldn't do it.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Today's Papers will be updated daily throughout the week.

Sentence 2: Today's papers are going to be updated daily throughout the week in order to provide accuracy.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Why, Jane, the only reason I had the supper at the Savoy was so that I could drive you home.

Sentence 2: I only ate supper at Savoy, Jane, so that I could give you a ride home.
Is this second sentence entailed by the first?

Answer:
yes