Given the task definition and input, reply with output. 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).

Paragraph: A sunscreen with a higher SPF value protects the skin longer.
 Question: Allie looks for sunscreen at the store. She sees SPF 30 and SPF 100. Which likely protects her skin better? 
 Choices: A)SPF 30 
B)SPF 100
SPF 100