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).

[EX Q]: Paragraph: An object with greater mass or greater velocity has more kinetic energy.
 Question: Which object likely contains less energy? 
 Choices: A)a pinhead 
B)the sun
[EX A]: a pinhead

[EX Q]: Paragraph: Exercising muscles increases their size, and bigger muscles have greater strength.
 Question: If Jim stop exercising his muscles, would the strength of them 
 Choices: A)increase 
B)decrease
[EX A]: decrease

[EX Q]: Paragraph: A sunscreen with a higher SPF value protects the skin longer.
 Question: Matt started a job where he will be outside a lot longer. In order to protect his skin during this longer period of sun exposure, he should use a 
 Choices: A)higher SPF sunscreen 
B)lower SPF sunscreen.
[EX A]:
higher SPF sunscreen