Question: Sentence A: In 1470 Mehmet the Conqueror further strengthened the ancient portal by building three towers of his own, linked by curtain walls to the four Byzantine towers flanking the Golden Gate.

Sentence B: The portal was strengthened during a time of war.

If sentence A is true, how about sentence B?
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: it is not possible to tell

Question: Sentence A: For example, to meet IRS's performance expectation for senior executives to address customer satisfaction by continuously improving products and services, a senior executive responsible for submission processing and taxpayer assistance had a performance expectation in her fiscal year 2001 individual performance plan to develop a communication plan.

Sentence B: The IRS's expectation is that senior executives would address customer satisfaction.

If sentence A is true, how about sentence B?
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: yes

Question: Sentence A: He's smarter than most of his kind, but just as ugly.

Sentence B: His thinking is more rational than most of his kind.

If sentence A is true, how about sentence B?
OPTIONS:
- yes
- it is not possible to tell
- no

Answer: it is not possible to tell

Question: Sentence A: It was very likely done last night.

Sentence B: It's also possible it was done early this morning.

If sentence A is true, how about sentence B?
OPTIONS:
- yes
- it is not possible to tell
- no

Answer:
it is not possible to tell