TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a baseball player up to bat that just hit the ball'. Replace the letter 'r' with 'o' in the sentence.

SOLUTION: a baseball playeo up to bat that just hit the ball

PROBLEM: Sentence: 'the big sandwich features several different  colorful ingredients'. Replace the letter 'e' with 'o' in the sentence.

SOLUTION: tho big sandwich foaturos sovoral difforont  colorful ingrodionts

PROBLEM: Sentence: 'a woman dressed in a hogwarts costume while holding a wand'. Replace the letter 'm' with 'b' in the sentence.

SOLUTION:
a woban dressed in a hogwarts costube while holding a wand