Sentence 1: Furthermore, H-2A workers by definition are physically present in the United States only temporarily.

Sentence 2: H2a workers are constantly available in the US.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: One route required the user to access the Information Sources, Dockets, and Air and Radiation Docket and Information Center web pages before arriving at a link to proposed rules available for comment.

Sentence 2: The user was able to access this information.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: It said that cancellation of President Clinton's planned visit to India this fall would be disastrous and only intensify nationalist fervor in that country.

Sentence 2: President Clinton actually canceled her trip to India.
Is this second sentence entailed by the first?

Answer:
it is not possible to tell