Sentence 1: Other efforts to prosecute Nazi war criminals--from the apprehension of Adolf Eichmann in 1960 to the ongoing efforts of the Simon Wiesenthal Center and the U.S.

Sentence 2: There were other efforts to prosecute Nazi war criminals during the years, said the teacher.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Even if they are such monsters?

Sentence 2: I know it is so no matter who or what they are.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Try to visit during the early morning, before the mass-production artists set up their easels and the crowds take over.

Sentence 2: The crowds don't tend to take over until later on in the day.
Is this second sentence entailed by the first?

Answer:
yes