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: If greenhouse gas were to be halved, the global temperature would 
 Option1: increase 
 Option2: decrease 
 Explanation: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.

Ex Output:
decrease


Ex Input:
Question: If valence electrons are far from an atom's nucleus, the atom is likely 
 Option1: bigger 
 Option2: smaller 
 Explanation: In bigger atoms, valence electrons are farther from the nucleus.

Ex Output:
bigger


Ex Input:
Question: Mary was performing experiments with atoms in her lab. She was measuring energy levels at various distances from an atom's nucleus. Would measurements taken closer to a nucleus result in 
 Option1: lower energy levels? 
 Option2: greater energy levels or 
 Explanation: As you go farther from the nucleus of an atom, the electron levels have more and more energy.

Ex Output:

greater energy levels or