Question: 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.

Two submarines have collided.

OPTIONS:
- yes
- no
Answer: yes
Question: The three drive-ins nearest to Madison, all less than an hour's drive, are: Big Sky Twin Drive-In Theatres in Wisconsin Dells, Highway 18 Outdoor Theatre, near Jefferson, and Sky-Vu Drive-In, near Monroe.

Highway 18 Outdoor Theatre is located in Wisconsin Dells.

OPTIONS:
- yes
- no
Answer: no
Question: Three leading Japanese banks have announced an alliance forming the world's largest financial group. Fuji Bank, Dai-Ichi Kangyo and the Industrial Bank of Japan say their operations will be integrated by the spring of 2002.

Merger of Japanese Banks creates the world's biggest bank.

OPTIONS:
- yes
- no
Answer:
yes