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

Ex Input:
Sentence: 'two cats sitting on an office chair next to a desk'. Replace the letter 's' with 'j' in the sentence.

Ex Output:
two catj jitting on an office chair next to a dejk


Ex Input:
Sentence: 'street signs hanging next to a traffic light on a city street'. Replace the letter 'g' with 'm' in the sentence.

Ex Output:
street simns hanminm next to a traffic limht on a city street


Ex Input:
Sentence: 'a man is lying on the grass holding a frisbee'. Replace the letter 'i' with 'b' in the sentence.

Ex Output:

a man bs lybng on the grass holdbng a frbsbee