Sentence 1: Its volume declined from 10.

Sentence 2: The volume went down from 10
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: said the little man, and the nurse left the room in a sort of brisk well-trained way.

Sentence 2: The nurse entered the room in a professional manner.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: That is, the features of a case study that are appropriate for answering one kind of evaluation question are not necessarily appropriate for answering another kind of evaluation question.

Sentence 2: There is only one kind of evaluation questions.
Is this second sentence entailed by the first?

Answer:
no