Question: Sentence A: She tried to sit up then fell back with a groan, her hand to her side.

Sentence B: She fell back after she tried to sit up.

If sentence A is true, how about sentence B?

Answer: yes

Question: Sentence A: You can get an occasional small sconto (discount) for purchases in volume or while paying in cash, but the spread of foreign travel has taught shopkeepers in the most remote provinces the going international price for everything.

Sentence B: Local shopkeepers rely on profit from tourists to maintain prosperity in their remote towns.

If sentence A is true, how about sentence B?

Answer: it is not possible to tell

Question: Sentence A: As incomes rise, the young farmer buys a truck to replace his father's trusty donkey, or he gives up farming altogether to open a bar or car-rental office.

Sentence B: The young farmer would do better to stay in the farming business.

If sentence A is true, how about sentence B?

Answer: it is not possible to tell

Question: Sentence A: Decay killed so many teeth that fancier problems seldom arose.

Sentence B: Many teeth were killed by decay.

If sentence A is true, how about sentence B?

Answer:
yes