Question: Sentence A: Strike a match to see the effect.

Sentence B: Striking a match will not reveal anything.

If sentence A is true, how about sentence B?

Answer: no

Question: Sentence A: His expansionism brought the bulk of Ionia under Lydian rule, but also resulted in conflict with the advancing Persians in the east, where he was roundly defeated.

Sentence B: The Lydian ruler was a pacifist who never allowed his country to fight any wars.

If sentence A is true, how about sentence B?

Answer: no

Question: Sentence A: The adventures have begun, she murmured to herself.

Sentence B: The adventures have started, she whispered to herself.

If sentence A is true, how about sentence B?

Answer: yes

Question: Sentence A: It seemed to the girl that, for the first time, she realized the sinister character of the mission they had undertaken so lightheartedly.

Sentence B: The girl realized they were right about their mission and that it should be taken lightly.

If sentence A is true, how about sentence B?

Answer:
no