Task: Question Answering
Input (English): Question: A straight fence is to be constructed from posts 5 inches wide and separated by lengths of chain 5 feet long. If a certain fence begins and ends with a post, which of the following couldnotbe the length of the fence in feet? (12 inches = 1 foot)

 Option A: 17

 Option B: 28

 Option C: 34

 Option D: 39

 Option E: 50
Output (English): Option C