TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a herd of zebra grazing in a lush green field'. Replace the letter 'h' with 'j' in the sentence.

SOLUTION: a jerd of zebra grazing in a lusj green field

PROBLEM: Sentence: 'the color theme in this kitchen is red and black'. Replace the letter 't' with 'v' in the sentence.

SOLUTION: vhe color vheme in vhis kivchen is red and black

PROBLEM: Sentence: 'two people are sitting on a shore eating while boats pass by'. Replace the letter 'r' with 'p' in the sentence.

SOLUTION:
two people ape sitting on a shope eating while boats pass by