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.

Input: Consider Input: Question: Sandra sees a tiny glacier, and notes that it has smaller tributary glaciers flowing into it, in valleys that are
Option1: shallow
Option2: deep
Explanation: Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.

Output: deep

Input: Consider Input: Question: When we look deep into the earth through a volcano the temperature
Option1: decreases
Option2: increases
Explanation: As the rocks move deeper into the Earth, temperature and pressure increase.

Output: increases

Input: Consider Input: Question: A fossil in the lowest layer of rock would be _____ than one higher up.
Option1: younger
Option2: older
Explanation: Fossils found at the lowest layer of rock would be the oldest, as these would have been buried for the longest time, whereas fossils found closer to the surface would be buried more recently and therefore be younger.
Output: older