In this task, you need to replace a letter in the sentence with another given letter.

Sentence: 'a row of lawn chairs with umbrellas over them'. Replace the letter 'e' with 'x' in the sentence.
a row of lawn chairs with umbrxllas ovxr thxm

Sentence: 'there are peoople standign next to a bike'. Replace the letter 'o' with 't' in the sentence.
there are pettple standign next tt a bike

Sentence: 'the antique motorcycle is parked beside a truck'. Replace the letter 'a' with 'u' in the sentence.

the untique motorcycle is purked beside u truck