Task: Question Answering
Input (English): A student places a chemical in an insulated container and measures the temperature. A second chemical is added and the container is sealed and the temperature is monitored. What is the student trying to determine?  
 (A) What color changes can be observed? (B) How much precipitate is formed? (C) Is heat absorbed or released? (D) How can this reaction be reversed?
Output (English): C