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

Sentence: 'a couple giraffes walking through a fielded area'. Replace the letter 'e' with 'c' in the sentence.
a couplc giraffcs walking through a ficldcd arca

Sentence: 'a man has his hand on top of a blender'. Replace the letter 'd' with 'o' in the sentence.
a man has his hano on top of a blenoer

Sentence: 'a bride and groom cutting a piece of their wedding cake'. Replace the letter 'c' with 'h' in the sentence.
a bride and groom hutting a piehe of their wedding hake