Definition: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
Input: Question: x and y are integers. x + y < 11 and x > 6. What is the smallest possible value of x - y ?

 Option A: 1

 Option B: 2

 Option C: 4

 Option D: -2

 Option E: -4

Option C