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

Sentence: 'a boy taking a nap with his dog on a bed'. Replace the letter 'o' with 'i' in the sentence.
a biy taking a nap with his dig in a bed

Sentence: 'a plate topped with waffles, bacon and banana slices'. Replace the letter 'a' with 'k' in the sentence.
k plkte topped with wkffles, bkcon knd bknknk slices

Sentence: 'serena williams serving the tennis ball at the tournament'. Replace the letter 'h' with 'k' in the sentence.

serena williams serving tke tennis ball at tke tournament