TASK DEFINITION: You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
PROBLEM: If you took all of the atoms out of a chair, what would be left?  
 (A) The chair would still be there, but it would weigh less. (B) The chair would be exactly the same as it was before. (C) There would be nothing left of the chair. (D) Only a pool of liquid would be left on the floor.

SOLUTION: C

PROBLEM: Which of these is a nonliving part of a forest?  
 (A) Tree (B) Soil (C) Worm (D) Mushroom

SOLUTION: B

PROBLEM: Animal wastes contain bacteria that make organisms sick. These wastes are often washed into water supplies by storms. How might a pet owner prevent these bacteria from polluting water supplies?  
 (A) Brush the pet daily to remove bacteria. (B) Feed pets food that produces less waste. (C) Bag the pet waste and throw it in the trash. (D) Wash the pet with shampoo to kill the bacteria.

SOLUTION:
C