Teacher:You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).
Teacher: Now, understand the problem? Solve this instance: Paragraph: The more curved the surface of a lens is, the more it refracts light.
 Question: If Mona is building a new mirror and she wants it to refract more light, what should she do the surface of the lens? 
 Choices: A)make it more curved 
B)make it less curved
Student:
make it more curved