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

Sentence: 'a hand holding part of a sponge with scissors nearby'. Replace the letter 'o' with 'e' in the sentence.
a hand helding part ef a spenge with scissers nearby

Sentence: 'closeup of two teddy bears in red scarves and a brown teddy bear'. Replace the letter 'i' with 'y' in the sentence.
closeup of two teddy bears yn red scarves and a brown teddy bear

Sentence: 'a dog is standing and looking outside a window'. Replace the letter 'k' with 'f' in the sentence.

a dog is standing and loofing outside a window