You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Example Input: Category: BUSINESS & INDUSTRY 
Clue: 1 of the top 10 companies that operated food services in 1964, in 1994 its lunch counters ranked No. 264
Example Output: woolworth\'s

Example Input: Category: PRESIDENTS 
Clue: 2 of the 3 successive presidents who were Republicans, born in Ohio & generals in the Union army
Example Output: ulysses s. grant, rutherford b. hayes & james a. garfield

Example Input: Category: U.S. STAMPS 
Clue: He's on the 1997 stamp honoring the European recovery program
Example Output:
george marshall