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

Ex Input:
Sentence: 'a girl riding a horse is jumping the log'. Replace the letter 'a' with 't' in the sentence.

Ex Output:
t girl riding t horse is jumping the log


Ex Input:
Sentence: 'a person scooping from a large pot of soup on the stove into a soup bowl'. Replace the letter 'a' with 'x' in the sentence.

Ex Output:
x person scooping from x lxrge pot of soup on the stove into x soup bowl


Ex Input:
Sentence: 'a man and a boat on the shore'. Replace the letter 'e' with 'n' in the sentence.

Ex Output:

a man and a boat on thn shorn