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 Input:
Question: The the planets are colder than sun because they are 
 Option1: less massive 
 Option2: more massive 
 Explanation: An object with more mass has greater thermal energy than an object with less mass because it has more atoms.

Ex Output:
less massive


Ex Input:
Question: If John heats a gas in his bunsen burner, what would happen to the gas particles? 
 Option1: they would move faster 
 Option2: they would move slower 
 Explanation: If the gas is heated, the particles will move faster as they gain more energy.

Ex Output:
they would move faster


Ex Input:
Question: Micah wants a base that is weaker rather than stronger. The number of hydroxide ions that will be produced are therefore 
 Option1: more 
 Option2: less 
 Explanation: A stronger base produces more hydroxide ions than a weaker base.

Ex Output:

more