Question: Sentence A: That panel recommended use of long-term prospective cohort studies in estimating mortality risk reduction (EPA-SAB-COUNCIL-ADV-99-005, 1999).

Sentence B: The panel recommended using short-term surveys.

If sentence A is true, how about sentence B?

Answer: no

Question: Sentence A: ActiveX is a very hot topic in the industry now, with lots of money riding on it, it's impossible not to wonder whether Microsoft's influence on Slate had something to do with this unfairness.

Sentence B: ActiveX will have huge implications in the next five years.

If sentence A is true, how about sentence B?

Answer: it is not possible to tell

Question: Sentence A: Do you young people want lights, or do you enjoy the twilight? she asked.

Sentence B: She was curious about young people

If sentence A is true, how about sentence B?

Answer: it is not possible to tell

Question: Sentence A: it was good but i mean he was um

Sentence B: Nah, it was pretty bad.

If sentence A is true, how about sentence B?

Answer:
no