Problem: In the last few days of the war, Mussolini and his mistress, Clara Petacci, tried to escape to Switzerland.

Based on that paragraph can we say the following?
Mussolini's mistress was Clara Petacci.
****
Answer: yes


Problem: Time Warner is the world's largest media and Internet company.

Based on that paragraph can we say the following?
Time Warner is the world's largest company.
****
Answer: no


Problem: Taiwan's former president Lee Teng-hui , the spiritual leader of the pro-independence TSU , and Premier Frank Hsieh , a member of the Democratic Progressive Party , are also taking part in the march.

Based on that paragraph can we say the following?
Chen Shui-bian is the new President of Taiwan.
****
Answer: no


Problem: It is unlikely either vessel was operating its active sonar at the time of the collision, because the submarines are designed to "hide" while on patrol and the use of active sonar would immediately reveal the boat's location.  Both submarines' hulls are covered with anechoic tile to reduce detection by sonar, so the boats' navigational passive sonar would not have detected the presence of the other.

Based on that paragraph can we say the following?
Two submarines have collided.
****
Answer:
yes