Sentence 1: Well, there has been an excruciatingly technical argument about this, mysteriously known as the double dividend debate; the general consensus seems to be no, and that on balance pollution taxes would be more likely to reduce GDP slightly than to increase it.

Sentence 2: A bill has been signed to impose new pollution taxes.
Is this second sentence entailed by the first?

Answer: it is not possible to tell

Sentence 1: but yeah there you know it it was a big breakthrough but in time you know the all the side effects started showing

Sentence 2: No side effects ever appeared from the discovery.
Is this second sentence entailed by the first?

Answer: no

Sentence 1: Now there is, of course, also a case against Microsoft.

Sentence 2: There is a pending case against Microsoft.
Is this second sentence entailed by the first?

Answer:
yes