Sentence 1: If the audience could have half as much fun as Pearl is having, Payback would be a kick.

Sentence 2: Payback could be a kick if the audience was having fun.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: If Monica must be killed to save the president, she will be killed (metaphorically speaking, of course).

Sentence 2: They will come up with things to charge her with.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: The Origin of Specious

Sentence 2: The Termination of Specious.
Is this second sentence entailed by the first?

Answer:
no