Sentence 1: Such hypothesized contamination is a legitimate concern and quite plausibly a sufficient reason to applaud Monsanto's decision.

Sentence 2: Contamination is a legitimate concern that shaped Monsanto's decision.
Is this second sentence entailed by the first?

Answer: yes

Sentence 1: So might any number of public policy right-to-know organizations for whom the design and goals of the HPV program are obscure ( Right-to-Know News , Jan.

Sentence 2: The HPV program was conceived several years ago.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: Jon swung in, Adrin parried and countered.

Sentence 2: Adrin is an inexperienced swordsman and was unable to defend himself in battle.
Is this second sentence entailed by the first?

Answer:
no