Definition: 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.
Input: Question: How many nations fought in the war that killed Bathurst's father in 1942? Passage:His father having been killed in 1942 while on active duty during World War II, Bathurst succeeded to the family titles on the death of his grandfather, the 7th Earl Bathurst, in 1943. He joined the military in 1948, when he was appointed a Governor of the Royal Agricultural College. Lord Bathurst was commissioned, served in the 10th Royal Hussars and later the Royal Gloucestershire Hussars, and promoted Captain in the Territorials to the local cavalry regiment, the Royal Gloucestershire Hussars. While working on his estate he was made Joint MFH of the Vale of White Horse hunt. He later held political office under Harold Macmillan as a Lord-in-Waiting (government whip in the House of Lords) from 1957 to 1961. The Conservative government recommended him as a Deputy Lieutenant of the county in 1960. Briefly he was promoted a junior minister as Joint Under-Secretary of State for the Home Department from 1961 to 1962. He was a Deputy Lieutenant for Gloucestershire from 1960 to 1986, following which he left politics to run the family estate based around Cirencester Park.


b