Task: Question Answering
Input (English): Process:  -A stream or river must occur -Through erosion, the stream cuts into the soil and bedrock -Through continuous erosion, a deep gash is cut through -After many years the river may dry up -A dry ravine is left -
 Question: What is the effect of Loose soil or sand makes erosion faster or easier on a ravine may form.?
Output (English): for