Sentence 1: There are also windsurfing (boardsailing) schools, and you can find boards to hire and conditions to suit everyone.

Sentence 2: You can learn to windsurf in an afternoon.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Other critical success factors identified included

Sentence 2: They only mentioned one critical success factor.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: The NHH-to-HH sector includes both bill and advertising mail.

Sentence 2: Bill and advertising mail are included in the NHH-to-HH sector.
Is this second sentence entailed by the first?

Answer:
yes