Sentence 1: I don't think I have, but one never knows.

Sentence 2: I've done it in the past
Is this second sentence entailed by the first?

Answer: no

Sentence 1: yeah they yeah and they

Sentence 2: No, they don't.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: A goal for many leading organizations is to reduce the time spent on transaction processing activities to 20 percent.

Sentence 2: The goal for many organizations is to lesson time spend on transactions to 20%
Is this second sentence entailed by the first?

Answer:
yes