Sentence 1: so yeah it really is surprising that people haven't noticed it before

Sentence 2: it's pretty strange that people haven't noticed it before
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Participants referred to a landmark study on financial reporting by the Jenkins Committee4 as evidence that little has changed.

Sentence 2: The study was used as evidence that things were still the same.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: In the summer months a Discobus runs from Ibiza Town (from around 11:00 p.m. ) to some of the major clubs, so you don't have to drive.

Sentence 2: You can catch the bus back to Ibiza Town after clubbing.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell