Task: Question Answering
Input (English): A spring-fed stream forms a pond that contains watercress plants, minnows, and crayfish. The pond receives 5 hours of direct sunlight every day. Which of the following is an abiotic factor in this ecosystem?  
 (A) the pond water (B) the watercress plants (C) the minnows (D) the crayfish
Output (English): A