Task: Question Understanding
Input (English): Question: Helen placed two types of cheese of the same size inside a box. She then placed a mouse inside the box. What question can be answered by this experiment? (A) How fast can a mouse travel? (B) Which type of cheese does a mouse prefer? (C) How long can a mouse survive without eating? (D) What is the best environment for a mouse to live in?
Output (English): two, types, cheese, box., mouse, question, answered