Task: Question Answering
Input (English): A chemist observed bubbling and fizzing after adding an acid solution to a white powdery substance in a beaker. Which of the following can be inferred?  
 (A) The acid boiled when poured into the beaker. (B) The acid and powder formed a new product. (C) A physical reaction produced a gas mixture. (D) A reaction occurred that produced heat.
Output (English): B