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

for example when we talk about speed they must anderstand why it is dengures is beteer than if they have axcedant after that they learn . 
Output:
For example , when we talk about speed they must understand why it is dangerous ; it is better than if they have an accident and after that they learn . 