In this task, you will be shown an incorrect English sentence. You need to generate a corrected form of the input sentence.
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Question: Even after school he has to participate in games and other extra curricular activities that are compulsory to attend . 

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


Question: When the forest is caught on fire the wood turns into ashes which is pottesium . 

Answer: When the forest catches fire , the wood turns into ash , which is potassium . 


Question: The first clue is that there are rocks near the coast which are considered to be made by Chinese explorers . 

Answer:
The first clue is that there are rocks near the coast which are considered to have been made by Chinese explorers . 


