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

This casts doubt in the reading passage 's assertion that fluoride prevents dental cavities . 
This casts doubt in the reading passage 's assertion that fluoride prevents dental cavities . 

And if there is knowledge in all areas , then it provides an added advantage to your knowledge level . 
And if the knowledge is in all the area 's then it gives you an added advatage to you knowledge level . 

Critics of this policy focus on three points ; first , Yellowstone fires scorched a large area of land , therefore a lot of plant species were lost . 

Critics of this policy focus in three poins ; first , Yellowstone fires scorched a large area of land therefore a lot of plant species were lost . 

