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: How many Senators voted for the law that assigned Thebacon and all of its salts the control number 9737? Passage:Thebacon (INN; pronounced ), or dihydrocodeinone enol acetate, is a semisynthetic opioid that is similar to hydrocodone and is most commonly synthesised from thebaine. Thebacon is a derivative of acetyldihydrocodeine, where only the 6–7 double bond is saturated. Thebacon is marketed as its hydrochloride salt under the trade name Acedicon, and as its bitartrate under Diacodin and other trade names. The hydrochloride salt has a free base conversion ratio of 0.846. Other salts used in research and other settings include thebacon's phosphate, hydrobromide, citrate, hydroiodide, and sulfate. The US DEA Administrative Controlled Substance Control Number assigned by the Controlled Substances Act 1970 for thebacon and all of its salts is 9737.


Ex Output:
a


Ex Input:
Question: Does the town where McJunkin was born have more than 1,000 people living in it? Passage:Born to slaves in Midway, Texas, McJunkin was approximately 9 years old when the Civil War ended. He worked as a cowboy for freighters. He reportedly learned how to read from fellow cow punchers. McJunkin taught himself to read, write, speak Spanish, play the fiddle and guitar, eventually becoming an amateur archaeologist and historian. In 1868, McJunkin arrived in New Mexico and became a foreman on the Thomas Owens Pitchfork Ranch. McJunkin became a buffalo hunter and worked for several ranches in Colorado, New Mexico and Texas. He was also reported to be an expert bronc rider and one of the best ropers in the United States. He became foreman of the Crowfoot ranch near Folsom, New Mexico. In 2019, he was inducted into the Hall of Great Westerners of the National Cowboy & Western Heritage Museum.


Ex Output:
b


Ex Input:
Question: Of the two Grandmasters, which one was older when they played Deen? Passage:Hergott made his first appearance in the Closed Canadian Chess Championship at Winnipeg 1986, also a Zonal year, where he scored 6.5/15 in a strong field. He tied for third the next year in the Closed at Baie-Comeau, with 5.5/9. He played in the British Championship, Swansea 1987, scoring 6/11 in a powerful field headed by Grandmaster Nigel Short; Canadian Masters, as Commonwealth citizens, are eligible to play in the British Championship. The next Canadian Zonal was Windsor 1989, where he made an even score with 7.5/15. He tied for fourth in the 1992 Zonal at Kingston, with 6.5/11. His best Zonal performance was Hamilton 1994, where he finished clear second, with 10.5/15, a point behind Grandmaster Kevin Spraggett. In the controversy-marred Closed at Ottawa 1995, Hergott tied for third place with 5/8. Hergott placed seventh in the 1996 Zonal at Toronto with 8/15.


Ex Output:

a