Task: Question Answering
Input (English): Paragraph: On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.
 Question: After Sarah finishes her walk, she notices that her blood is not really pumping that hard. Sarah can know that since it's a cool day, she's giving off what kind of heat compared to usual? 
 Choices: A)more 
B)less
Output (English): less