Question: Sentence A: I have not pretended to be aware of all the details of your show.

Sentence B: I am not aware of all the details of your show.

If sentence A is true, how about sentence B?

Answer: yes

Question: Sentence A: Now environmentalists work hard to protect the unspoiled beauty and wildlife habitats.

Sentence B: Environmentalists do not work hard in trying to protect wildlife habitats.

If sentence A is true, how about sentence B?

Answer: no

Question: Sentence A: Brown believed the recommendation was worded too strongly.

Sentence B: The recommendation could have been stated in a better manner.

If sentence A is true, how about sentence B?

Answer: it is not possible to tell

Question: Sentence A: 5-mortality C-R functions, because fine particles are believed to be more closely associated with mortality than the coarse fraction of PM.

Sentence B: The fine particles are associated with mortality rates.

If sentence A is true, how about sentence B?

Answer:
yes