Sentence 1: For example, in a knowledge-based economy, one could argue that the most important assets are people (human capital); however, current financial reporting records investments in people as an expense and liability.

Sentence 2: In a knowledge-based economy, human capital can be arguably the most important asset.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: But maybe sometimes it happens.

Sentence 2: It is not possible to predict when it is going to happen.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: 'She will not go back there.

Sentence 2: She is definitely going to go back there.
Is this second sentence entailed by the first?

Answer:
no