Task: Question Answering
Input (English): The weight of an object can change even when the mass stays the same. Which statement correctly identifies a relationship between mass and weight?  
 (A) The weight of an object depends on its mass and its volume. (B) Gravity affects the weight of an object but not its mass. (C) The mass of an object depends on its weight and size. (D) Magnetic fields can affect mass but not weight.
Output (English): B