In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.

Ex Input:
Question: What is the largest city near the village that preserved the Waga name? Passage:The manor is recorded in the Domesday Book where it is listed as Holehale, one of the lands of Robert de Stafford. "In Ferncombe Hundred in Holehale (Ullenhall) 1 hide. Land for 15 ploughs. 17 villagers and 11 smallholders with 6 ploughs. Woodland ½ league long and 1 furlong wide. The value was and is £3 Waga held it." Waga, whose name is preserved in the nearby village of Wootton Wawen, was one of the witness's to Earl Leofric's, husband of Lady Godiva, foundation of the monastery at Coventry during the first year of the reign of Edward the Confessor (1042/3). His lands extended beyond those at Ullenhall, but, following the Conquest, Ullenhall was bestowed by the conqueror on Robert de Stafford, descended from the de Tonei family and who had fought stoutly with Duke William against King Harold. He made Stafford his principal seat, where he had a strong castle and assumed his surname from thence.


Ex Output:
a


Ex Input:
Question: How many students did the United States Naval Academy have enrolled the year Smith graduated with his BS degree? Passage:Smith was born April 30, 1945, in Beaufort, North Carolina. He graduated from East Carteret High School in 1963, and went on to receive a Bachelor of Science degree in Naval Science from the United States Naval Academy in 1967. He subsequently attended the U.S. Naval Postgraduate School at Monterey, California, from which he graduated with a Master of Science degree in Aeronautical Engineering in 1968. He completed naval aviation jet training at Naval Air Station Kingsville, Texas, receiving his aviator wings in May 1969. He was then assigned to the Advanced Jet Training Command (VT-21) where he served as an instructor from May 1969 to March 1971. During the 2-year period that followed, he flew A-6 Intruders and completed a tour in 1972 during the Vietnam War while assigned to Attack Squadron 52 (VA-52) aboard the aircraft carrier . During his deployment with VA-52, Smith took part in Operation Linebacker, the first continuous bombing effort conducted against North Vietnam since 1968.


Ex Output:
a


Ex Input:
Question: How many seasons aired of the show that Lange starred in from 1968 to 1970? Passage:Lange returned to television for a 1966 role on the series The Fugitive (1963). She starred from 1968 to 1970 on the television series, The Ghost & Mrs. Muir for which she earned two Emmy Awards and a Golden Globe Award nomination. This success was followed by three seasons on The New Dick Van Dyke Show as Dick Van Dyke's wife, Jenny Preston, from 1971 to 1974, after which she declined to return for a fourth season of the show. She also appeared in twelve television movies, one being Crowhaven Farm where she played the role of a witch. In 1977, she returned to the Broadway stage where her acting career had originally begun. She also played the murdered wife of Charles Bronson's vigilante character in Death Wish (1974). In 1985, she appeared in , and in 1986, she took a role as Laura Dern's mother in David Lynch's Blue Velvet. She took a Broadway role in Same Time, Next Year and then made appearances in the television movie based on Danielle Steel's Message from Nam and in Clear and Present Danger (1994).


Ex Output:

a