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

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

Ex Output:
a man has his hano on top of a blenoer


Ex Input:
Sentence: 'a giraffe walking in its natural habitat on the savannah'. Replace the letter 't' with 'u' in the sentence.

Ex Output:
a giraffe walking in ius nauural habiuau on uhe savannah


Ex Input:
Sentence: 'a messy kitchen with cabinets, sink, and a window'. Replace the letter 's' with 'q' in the sentence.

Ex Output:

a meqqy kitchen with cabinetq, qink, and a window