In this task, you will be shown an incorrect English sentence. You need to generate a corrected form of the input sentence.

Example Input: In a market economy the price must reflect costs of the product and consumer 's willingness to buy the product .
Example Output: In a market economy , the price must reflect costs of the product and consumers ' willingness to buy the product .

Example Input: The work should be good , and not just bundle of meaningless .
Example Output: The work should be good and not just a meaningless bundle .

Example Input: Even after school he has to participate in games and other extra curricular activities that are compulsory to attend .
Example Output:
Even after school , he has to participate in games and other extra curricular activities , that are compulsory to attend .