Task: Question Answering
Input (English): If the average (arithmetic mean) of the measures of two angles of a quadrilateral is 60 degrees, what is the average of the measures of the other two angles?
(A)\(60\degree\) (B)\(90\degree\) (C)\(120\degree\) (D)\(180\degree\) (E)\(240\degree\)
Output (English): C