In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as `a` for Yes or `b` for No.

Example Input: Question: How tall is the mountain that is south of the canyon? Passage:Granite Canyon is located in Grand Teton National Park, in the U. S. state of Wyoming. The canyon was formed by glaciers which retreated at the end of the last glacial maximum approximately 15,000 years ago, leaving behind a U-shaped valley. The canyon lies between Rendezvous Mountain to the south and Mount Hunt to the north. The trailhead for the canyon is on the Moose–Wilson Road about north of Teton Village. One of the most popular hikes from the trailhead is to Marion Lake by way of the Granite Canyon Trail which traverses the length of the canyon. Another popular hike involves riding the aerial tram located at the Jackson Hole Mountain Resort in Teton Village to the top of Rendezvous Mountain, and then descending back to Teton Village by way of Granite Canyon. The descent from the summit of Rendezvous Peak back to Teton Village is an often steep one with an altitude loss of . The historic Upper Granite Canyon Patrol Cabin is situated near the entrance to the canyon and was listed on the National Register of Historic Places in 1998.

Example Output: b

Example Input: Question: Who was named in Minnesota's broadcasting hall of fame in the year before him? Passage:Don Bleu (real name Rick Kelleher) is an American retired radio personality and former television host. He grew up in East Grand Forks, Minnesota and began his career in 1966, when his friend Shadoe Stevens encouraged him to try radio. He started at KILO (defunct) in Grand Forks, North Dakota, then moved to KQWB in Fargo, North Dakota. He then moved to the Minneapolis-St. Paul area in 1968 and worked at KDWB for nearly 10 years. His success at KDWB earned him a job at KHJ (AM) in Los Angeles. In 1980, he moved to San Francisco and worked in the adult contemporary radio genre. Most recently, he hosted the Don Bleu Show on KOSF, a music station in San Francisco, California. He was named to the Pavek Museum of Broadcasting's Minnesota Broadcasting Hall of Fame in 2005, and in 2007 he was inducted into the Bay Area Radio Hall of Fame. Bleu initially worked at KIOI until 2011, when he moved to KOSF. He was let go from the latter station and did his last broadcast on June 26, 2015.

Example Output: b

Example Input: Question: Do people live on Dinagat Island? Passage:On 20 October, D-Day for the Leyte landing forces, Mertz escorted landing craft through air attacks to the beach and later in the day patrolled off Dinagat Island at the entrance to Leyte Gulf. Early in the morning of 25 October as the Japanese Southern Force approached Leyte Gulf through the Mindanao Sea, Mertz and patrolled between Desolation Point and Homonhon Island, lest the enemy fleet choose to steam north along the east coast of Dinagat Island to attack the Allied beachhead. When the Japanese entered Surigao Strait, Rear Admiral Jesse B. Oldendorf’s force met and destroyed the enemy armada in the classic “crossing-of-the-T” maneuver known as the Battle of Surigao Strait, part of the overall Battle of Leyte Gulf. Later that same day Mertz splashed a Zero at several hundred yards with heavy machinegun fire.

Example Output:
b