Task: Text Simplification
Input (English): cogeneration -lrb- also combined heat and power , chp -rrb- is the use of a heat engine or a power station to simultaneously generate both electricity and useful heat.
Output (English): cogeneration -lrb- also joined heat and power , chp -rrb- is the use of a heat engine or a power station to produce both electricity and useful heat , at the same time.