TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'man holding pair of red handled scissor in front of face'. Replace the letter 'i' with 'f' in the sentence.

SOLUTION: man holdfng pafr of red handled scfssor fn front of face

PROBLEM: Sentence: 'a couple walking down a sidewalk next to some graffiti'. Replace the letter 'a' with 'y' in the sentence.

SOLUTION: y couple wylking down y sidewylk next to some gryffiti

PROBLEM: Sentence: 'the cows were painted in a ritualistic manner for the ceremony'. Replace the letter 'a' with 'p' in the sentence.

SOLUTION:
the cows were ppinted in p rituplistic mpnner for the ceremony