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

Ex Input:
Sentence: 'an elephant in chains converses with a smaller elephant who is not wearing chains'. Replace the letter 'i' with 'm' in the sentence.

Ex Output:
an elephant mn chamns converses wmth a smaller elephant who ms not wearmng chamns


Ex Input:
Sentence: 'vintage cartoon elephant and cartoon dog paper tags'. Replace the letter 'p' with 'r' in the sentence.

Ex Output:
vintage cartoon elerhant and cartoon dog rarer tags


Ex Input:
Sentence: 'a woman eats a meal while sitting on the sidewalk outside a building'. Replace the letter 'e' with 'a' in the sentence.

Ex Output:

a woman aats a maal whila sitting on tha sidawalk outsida a building