Task: Question Answering
Input (English): Process:  -A type of coal must be chosen before the heating can start -The coal is broken down to a smaller material -The coal particles mix with hot air and move in to a boiler -Water in the boiler is pumped and produces steam with the coal -Steam powers turbine blades, which magnetically charge wire coals -The water returns back in to its chamber and the process is repeated -
 Question: What is the effect of higher coal prices on less coal is chosen.?
Output (English): for