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: A chemist compared two substances in the lab. Which substance will have a higher concentration of hydrogen ions? 
 Option1: the substance with the higher pH 
 Option2: the substance with the lower pH 
 Explanation: The lower the pH value is, the greater is the concentration of hydrogen ions and the stronger the acid.

Ex Output:
the substance with the lower pH


Ex Input:
Question: By filling a kettle with water and placing it in a freezer turned to low, will the motion of the water molecules in the kettle 
 Option1: increase in speed 
 Option2: decrease in speed. 
 Explanation: The higher the temperature, the more energy the particles have and the faster they will move and diffuse.

Ex Output:
decrease in speed.


Ex Input:
Question: Will is one year old and breastfeeds from his mother. He suckles less and less. The mother produces _____ milk in response. 
 Option1: more 
 Option2: less 
 Explanation: The more the baby suckles, the more prolactin is released, which causes more milk to be produced.

Ex Output:

less