Task: Question Answering
Input (English): Question: If Milo is out exploring and he comes across two glaciers, each with their own u-shaped valley, will the smaller or larger glacier have a smaller u-shaped valley? 
 Option1: larger glacier 
 Option2: smaller glacier 
 Explanation: Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.
Output (English): smaller glacier