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: Peter added salt to his juice one morning. The mixture became _____ dense. 
 Option1: more 
 Option2: less 
 Explanation: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.

A: more
****
Q: Question: Would an astronaut floating five million miles away from the Earth experience 
 Option1: less gravitational attraction to the Earth than an astronaut on the surface of the Earth 
 Option2: more gravitational attraction to the Earth than an astronaut on the surface of the Earth 
 Explanation: As the distance between the objects increases, the force of gravitational attraction decreases.

A: less gravitational attraction to the Earth than an astronaut on the surface of the Earth
****
Q: Question: If Earth's plate tectonics sped up, Earth's convection would 
 Option1: increase 
 Option2: decrease 
 Explanation: Convection on early Earth was faster and so plate tectonics was faster.

A:
increase
****