Sentence 1: We were friends.

Sentence 2: We were best friends.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: yeah a friend of mine's got a a Colt and i was doing something to it and golly half of it was standard and half of it was metric it was the most irritating thing

Sentence 2: My friend's colt is half standard half metric.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: yeah but yeah yeah uh uh there's probably that's pretty neat because i don't imagine Raleigh's so big that you have big traffic jams going one way or the other

Sentence 2: Raleigh probably isn't big enough to have major traffic jams.
Is this second sentence entailed by the first?

Answer:
yes