Sentence 1: She's always been concerned with helping people.

Sentence 2: She has always wanted to help people.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Table 2 compares French and U.S. postal densities at various quantiles.

Sentence 2: There is a difference between French and U.S. postal systems.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: Recently, three economists named Harold Cole, George Mailath, and Andrew Postlewaite (for whom I will use the collective abbreviation CMP) have proposed a compromise between the two On the one hand, people do not care directly about their relative positions in the wealth distribution.

Sentence 2: Harold, George and Andrew are all economists.
Is this second sentence entailed by the first?

Answer:
yes