Sentence 1: However, in response to media inquiries about ongoing OSI investigations, GAO will neither confirm nor deny the existence of such an investigation.

Sentence 2: They will not say either way if there is an investigation.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: you buy a car it depreciates you buy a home and it inpreciates it it it

Sentence 2: Cars gain a lot of value.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: long haired yeah and

Sentence 2: Yes, red-haired.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell