Sentence 1: That gentleman nodded approval.

Sentence 2: The man nodded and waved.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Ultimately he become known as Henry the Navigator.

Sentence 2: Henry the Navigator sailed for long periods of time.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: that's a bit much isn't it

Sentence 2: It is too much right?
Is this second sentence entailed by the first?

Answer:
yes