Sentence 1: It is not that I expect anything practical.

Sentence 2: He expects a lot of stuff to be impractical.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: This organization relied primarily on regular mail and telephone conversations to disseminate information about most things, including meeting agendas and real-time problem solving.

Sentence 2: Mail and phone conversations were used to disseminate information.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Legend calls this the Tomb of Absalom, the ill-fated and rebellious son of David.

Sentence 2: According to legend, this tomb belongs to Absalom, the ill-fated and rebellious son of David.
Is this second sentence entailed by the first?

Answer:
yes