Sentence 1: The mines in the hills behind producing wealth, the fact that it was a watering place on two cross-country routes the one from Tucson down into Sonora of Old Mexico, the other into California had all fed its growth.

Sentence 2: The land was barren.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: A burly man wearing sergeant's stripes steered a slighter figure before him through the open door.

Sentence 2: The burly man spoke first before the smaller man.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: There was general agreement that (1) a combination of principle-based and rule-based standards would be needed and (2) principle-based accounting rules were not a panacea to solve financial reporting problems.

Sentence 2: The first part of the agreement was that standards of both principle and rule basis were needed.
Is this second sentence entailed by the first?

Answer:
yes