Task: Question Answering
Input (English): A student must explain the role of dead leaves in the ecosystem. Which statement will the student most likely provide to explain the importance of these leaves?  
 (A) The leaves provide shelter to growing seeds. (B) The decay of the leaves provides nutrients to other plants. (C) The leaves release chlorophyll into the grass as they decay. (D) The leaves prevent fungus from growing at the base of the tree.
Output (English): B