Task: Question Answering
Input (English): By noon, \(\frac{1}{4}\) of Company X's employees had arrived to work. An hour later, 30 more employees had arrived, raising total attendance to \(\frac{1}{2}\) of the total staff. How many employees work for Company X?
(A)30 (B)45 (C)60 (D)120 (E)135
Output (English): D