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

Example Input: some tour guide who will want to set maximum security make tour difficult because you will only have a wonderful view throught the bus .
Example Output: Some tour guide will want to set maximum security to make the tour difficult because you will only have a wonderful view through the bus .

Example Input: 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 .
Example Output: 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 .

Example Input: Therfore , we have to reduced sulfur and nitrogen dioxide .
Example Output:
Therefore , we have to reduce sulfur and nitrogen dioxide .