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

Ex Input:
Sentence: 'there is a woman holding a tennis racket'. Replace the letter 'l' with 's' in the sentence.

Ex Output:
there is a woman hosding a tennis racket


Ex Input:
Sentence: 'some tracks for a rail way system near a building'. Replace the letter 'a' with 'h' in the sentence.

Ex Output:
some trhcks for h rhil why system nehr h building


Ex Input:
Sentence: 'the stove has a coffee pot on the burner and a pot in the oven'. Replace the letter 'o' with 'n' in the sentence.

Ex Output:

the stnve has a cnffee pnt nn the burner and a pnt in the nven