Task: Question Answering
Input (English): Problem: if 1 / 8 of a pencil is black 1 / 2 of the remaining is white and the remaining 7 / 2 is blue find the total length of the pencil ?
Options: a. 7.33 cm, b. 6.33 cm, c. 5.33 cm, d. 9.33 cm, e. 8.33 cm
Output (English): d