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: If a product is stretched, elastic force will 
 Option1: increase 
 Option2: decrease 
 Explanation: The elastic force increases the more the material is stretched or compressed.

Answer: increase


Question: Question: Fred fills two buckets with the same amount of water. He puts a melon in one bucket and an orange in the other. In which bucket will the water rise the highest? 
 Option1: the one with the orange 
 Option2: the one with the melon 
 Explanation: So more water is displaced by a bigger body than a smaller one.

Answer: the one with the melon


Question: Question: If the people in Mary's country start to produce more greenhouse gases from driving cars, what will happen to the greenhouse effect in their country? 
 Option1: increase 
 Option2: decrease 
 Explanation: An increase in greenhouse gases leads to greater greenhouse effect.

Answer:
increase