instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a large white sign with black lettering  leaning against a metal fence'. Replace the letter 'e' with 'j' in the sentence.
answer:
a largj whitj sign with black ljttjring  ljaning against a mjtal fjncj


question:
Sentence: 'a couple of giraffe standing next to each other near  a fence'. Replace the letter 'f' with 'j' in the sentence.
answer:
a couple oj girajje standing next to each other near  a jence


question:
Sentence: 'a prepared pizza on a plate is lying on a table'. Replace the letter 'r' with 'j' in the sentence.
answer:

a pjepajed pizza on a plate is lying on a table