Task: Question Answering
Input (English): A combination of processes occurs when stars are forming. Which is one process most likely associated with the formation of new stars?   
 (A) Hydrogen in the cores of the stars is exhausted. (B) Material accumulates from stars that have died. (C) Elements in the stars such as iron undergo fusion. (D) Cores of stars become twice as massive as the Sun.
Output (English): B