Task: Question Answering
Input (English): Process:  -Water from the ocean washes onto beaches in waves -The waves contain sediment from the ocean -The water and particles in it hit rocks and sand on the beach -The wind and current sometimes push the water and particles harder -Tiny parts of the rocks on the shore come off the larger rocks -The waves pick up sand and small rocks from the beach -The waves go back out into the ocean -The waves carry the new particles with them -Rocks and the beach look a little different.
 Question: What is the effect of coal will become cheaper on less erosion by the ocean.?
Output (English): none