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.

Input: Consider Input: Question: What city did Stevens complete a Ph.D. in? Passage:In 1980, Stevens joined the Army under their split option training program and conducted basic training at Fort Dix, New Jersey and advanced individual training at Fort Sam Houston, Texas. While engaged in his military service, Stevens entered the University of Southern Maine in the Computer Science program in 1981. However, an enthusiastic professor (John Ricci) converted him to the study of Chemistry. He spent two summers working as an intern at the Brookhaven National Laboratory in Long Island with Professor Ricci, and Drs. Thomas Koetzle and Dick McMullan, where he first learned how to determine the molecular structure of compounds by X-ray and neutron diffraction. While there he also met a University of Southern California research team led by Dr. Robert Bau; after he obtained a Bachelor of Science degree in Chemistry at USM, he entered the University of Southern California in pursuit of a Doctor of Philosophy degree in Chemistry working with Professor Robert Bau and Nobel Laureate Professor, George Olah. He completed his Ph.D. in 26 months, graduating in 1988.

Output: b

Input: Consider Input: Question: How many seasons did the television show that Earl Gaines appeared on air? Passage:Breaking away from the confines of the group, Gaines became part of the 1955 R&B Caravan of Stars, with Bo Diddley, Big Joe Turner, and Etta James. Their tour culminated with an appearance at New York's Carnegie Hall. Without any tangible success, Gaines recorded for the Champion and Poncello labels for another few years, as well as joining Bill Doggett's band as lead vocalist. In 1963, he joined Bill "Hoss" Allen's repertoire of artists, and by 1966 had issued the album The Best of Luck to You, seeing the title track reach the Top 40 in the US R&B chart. He appeared on the television program The !!!! Beat, and later released material for King and Sound Stage 7, including his cover version of "Hymn Number 5". Recordings made between 1967 and 1973 for De Luxe were reissued in 1998. On many of his De Luxe recordings in the late 1960s and early 1970s, Gaines was backed by Freddy Robinson's orchestra.

Output: b

Input: Consider Input: Question: Is Nobuhiro Kato still on the Kyoto Sanga FC? Passage:Kato was born in Ageo on 11 December 1984. He joined J1 League club Urawa Reds from youth team in 2003. Although Reds won the many title 2006 J1 League, 2007 AFC Champions League and so on, he could hardly play in the match behind Ryota Tsuzuki and Norihiro Yamagishi until 2010. He became a regular goalkeeper in 2011 and Reds won the 2nd place in 2011 and 2013 J.League Cup. However he lost his regular position behind Shusaku Nishikawa in 2014. In 2015, he moved to Saitama's cross town rivals, Omiya Ardija in J2 League. He played as regular goalkeeper and Ardija was promoted to J1 end of 2015 season. Although his opportunity to play decreased from 2016, he played many matches while battling with Hitoshi Shiota for the position. However Ardija finished at the bottom place in 2017 season and was relegated to J2. He could not play at all in the match behind Takashi Kasahara in 2018. In 2019, he moved to J2 club Kyoto Sanga FC.
Output: b