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 upper rock layers are much younger.
 Question: Sarah is looking at layers of rock on a cliff face. She can see that the rock at the very bottom of the cliff are 
 Choices: A)older 
B)younger
Student:
older