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.

[EX Q]: Question: Eric has a soccer ball and kicks it into a rock of roughly the same size. The rock doesn't move and the ball bounces away. The rock is _____ dense than the ball. 
 Option1: less 
 Option2: more 
 Explanation: The more tightly packed the particles inside the material are, the more dense we say they are.
[EX A]: more

[EX Q]: Question: Mona is excavating a deep tunnel as part of an exploratory committee. As she travels upwards back from the Earth, what can she expect will happen to the temperature? 
 Option1: increase 
 Option2: decrease 
 Explanation: Temperature increases with depth inside the Earth, so melting of rocks is more likely to occur at greater depths.
[EX A]: decrease

[EX Q]: Question: Two planets are drawn to each other in space, however they begin to drift apart over time. As the years press on, the planets will have a gravitation attraction between them that is 
 Option1: greater 
 Option2: lesser 
 Explanation: As the distance between the objects increases, the force of gravitational attraction decreases.
[EX A]:
lesser