Task: Question Answering
Input (English): Question: In a race of length L metres, Johnson beats Lewis by P metres and Greene by Q metres, By how many metres does Lewis beat Greene in the same race ? (P<Q)

 Option A: L(L-Q

 Option B: L(Q-P

 Option C: L-Q

 Option D: P-Q

 Option E: P+Q
Output (English): Option B