Task: Question Answering
Input (English): Question: In an election between two candidates, 10% of votes are were declares invalid. First candidate got 3600 votes which were 60% of the total valid votes . The total number of votes enrolled in that election was:

 Option A: 9000

 Option B: 98000

 Option C: 20000

 Option D: 11000

 Option E: 12000
Output (English): Option C