Sentence 1: The chief had to work nights, because he wasn't as skilled as his slight colleague from the far corner of the programmers' room.

Sentence 2: His colleague was more skilled than the chief himself was.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: However, I believe that additional actions by the board and AICPA management will be needed to restore trust and confidence in the Institute over the longer-term.

Sentence 2: It will be hard to restore trust and confidence in the Institute in the short-term.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: More complex case studies might need several layers or graphics; less complex, few.

Sentence 2: Graphics increase in necessity as the complexity of case studies increases.
Is this second sentence entailed by the first?

Answer:
yes