TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a male holding a baseball bat standing on a big white star'. Replace the letter 'a' with 'i' in the sentence.

SOLUTION: i mile holding i bisebill bit stinding on i big white stir

PROBLEM: Sentence: 'people are standing outside in the parking lot'. Replace the letter 'i' with 'z' in the sentence.

SOLUTION: people are standzng outszde zn the parkzng lot

PROBLEM: Sentence: 'people riding on a motor cycle with umbrellas over their heads'. Replace the letter 'b' with 'p' in the sentence.

SOLUTION:
people riding on a motor cycle with umprellas over their heads