Task: Question Answering
Input (English): Process:  -Minerals fill spaces between bits of sediment -The sediments become glued together -The glued together parts become hard like cement -The sediment becomes a big rock -The rocks erode slowly -The rocks come apart -The rocks become smaller rocks -The rocks continue to erode into smaller rocks -The process starts again.
 Question: What is the effect of prices for aluminum fall on sediment becomes a smaller rock.?
Output (English): none