TASK DEFINITION: In this task, you will be shown an incorrect English sentence. You need to generate a corrected form of the input sentence.
PROBLEM: They can bring that problem to improve for many company that will produce a new product . 

SOLUTION: They can bring up that problem to improve so many more companies will produce new products . 

PROBLEM: In this case student learn a concept and it is possible to use in other fields . 

SOLUTION: In this case students learn a concept and it is possible to use in other fields . 

PROBLEM: In extreme cases , some even gain weight because of this . 

SOLUTION:
In extreme cases , some even gain weight because of this . 

