Sentence 1: Federal investment in human capital comprises those expenses for education and training programs for the general public that are intended to increase or maintain national economic productive capacity.

Sentence 2: Federal investment in capital compromises expenses for education.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: If, however, we scoped the job to examine in depth events leading up to the disaster, what went wrong, and why it went wrong, this would be a case study.

Sentence 2: We would call this a case study if we were going to examine the events leading up to the tsunami; but, we are not.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Sure, Tuppence, how could he be?

Sentence 2: How would that even be possible?
Is this second sentence entailed by the first?

Answer:
it is not possible to tell