You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.

[Q]: Question: Clare stopped rubbing two sticks together. The sticks became
Option1: hot
Option2: cold
Explanation: Friction causes the molecules on rubbing surfaces to move faster, so they have more heat energy.
[A]: cold

[Q]: Question: If Milo cuts himself shaving and loses a lot of blood, what happens to his blood pressure?
Option1: increases
Option2: decreases
Explanation: If blood volume in the body decreases, blood pressure decreases.
[A]: decreases

[Q]: Question: An increase in body size will cause a concomitant _____ in its surface area to volume ratio.
Option1: increase
Option2: decrease
Explanation: Size restriction: The final body size is limited because as the body size increases, the surface area to volume ratio decreases.
[A]:
decrease