TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'closeup of two teddy bears in red scarves and a brown teddy bear'. Replace the letter 'i' with 'y' in the sentence.

SOLUTION: closeup of two teddy bears yn red scarves and a brown teddy bear

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

SOLUTION: there are pettple standign next tt a bike

PROBLEM: Sentence: 'a cat rubbing up against the camera persons legs'. Replace the letter 's' with 'o' in the sentence.

SOLUTION:
a cat rubbing up againot the camera peroono lego