Task: Question Answering
Input (English): Question: If 1.5 cm of a pencil is purple, 0.5 cm of the remaining is black and the remaining 2 cm is blue, what is the total length of the pencil?

 Option A: 5 cm

 Option B: 3 cm

 Option C: 1 cm

 Option D: 4 cm

 Option E: 2 cm
Output (English): Option D