instruction:
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.
question:
Question: David is getting ready to fly into space on a rocket. As the rocket shoots upwards, part of the mass attaches, allowing the rocket to go 
 Option1: higher 
 Option2: lower 
 Explanation: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
answer:
lower


question:
Question: If Jim loses a lot of blood from a cut he sustains, what will happen to his blood pressure? 
 Option1: it will become lower 
 Option2: it will become higher 
 Explanation: If blood volume in the body decreases, blood pressure decreases.
answer:
it will become lower


question:
Question: Compared to a box of bricks a box of feathers would be 
 Option1: lighter 
 Option2: heavier 
 Explanation: A given volume of a denser substance is heavier than the same volume of a less dense substance.
answer:

lighter