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

Sentence: 'vita mix blender with something in it already blended'. Replace the letter 'b' with 'a' in the sentence.
vita mix alender with something in it already alended

Sentence: 'a fancy clock is lit up on the street'. Replace the letter 'o' with 'f' in the sentence.
a fancy clfck is lit up fn the street

Sentence: 'a vase and a dog in a grassy yard'. Replace the letter 'v' with 'd' in the sentence.

a dase and a dog in a grassy yard