Sentence 1: At the top of Grafton Street, where it meets busy Nassau Street, you will see Jean Rynhart's statue of Molly Malone, subject of the well-known 18th-century ballad, with her barrow and a very low d??colletage.

Sentence 2: A statue of Molly Malone stands at the intersection of Grafton Street and Nassau Street.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: While Pavarotti and his two sidekick tenors have been turning opera into a mass-appeal juggernaut, Bartoli has been trying to shrink a bloated genre.

Sentence 2: Pavarotti and Bartoli do not get along at all.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: How those emotions are generated I cannot explain.

Sentence 2: Oh, that's a simple explanation for your emotional behaviour.
Is this second sentence entailed by the first?

Answer:
no