Sentence 1: yeah no i never go like to go into those things that are

Sentence 2: Those are scary to me.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Poirot, however, did not seem grateful to me for my forbearance.

Sentence 2: Poriot didn't seem grateful to me.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: In running the empire effectively, the British installed railways, better roads, the telegraph, and stamp-post.

Sentence 2: The British installed railways and better roads, that produced an effective empire that lasted until now.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell