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

[EX Q]: Futhermore , a tour guide will also provide safety and security for the travel , since they know already the do 's and don'ts in the tour .
[EX A]: Furthermore , a tour guide will provide safety and security for the traveller , since they already know the do 's and don'ts of the tour .

[EX Q]: Although the few lucky ones struck gold , most of the people simply vanished as they left their homes , only to be forgotten , and some of them even developed obsessions for the western mirage .
[EX A]: Although the few lucky ones struck gold , most of the people simply vanished as they left their homes , only to be forgotten , and some of them even developed obsessions for the western mirage .

[EX Q]: No scientist would have ever come up with their wonderful inventions and the world would have never progressed .
[EX A]:
No scientist would have ever come up with their wonderful inventions and the world would never have progressed .