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

Ex Input:
Sentence: 'a skier in the midst of a jump'. Replace the letter 'm' with 'd' in the sentence.

Ex Output:
a skier in the didst of a judp


Ex Input:
Sentence: 'a person holding a small remote key chain'. Replace the letter 'n' with 'j' in the sentence.

Ex Output:
a persoj holdijg a small remote key chaij


Ex Input:
Sentence: 'a long green train next to a train station'. Replace the letter 't' with 'j' in the sentence.

Ex Output:

a long green jrain nexj jo a jrain sjajion