Sentence 1: Could be.

Sentence 2: Might be.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: he was very good for Lubbock when he came to he did you know it was the same kind of thing he he he had a lot of good results

Sentence 2: He did a lot of work personally to make Lubbock better.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Thus you will find 191/2-mile Beach at Castle Peak Bay.

Sentence 2: The beach at Castle Peak Bay is over fifty miles long.
Is this second sentence entailed by the first?

Answer:
yes