TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a number of people sitting on chairs near each other'. Replace the letter 'c' with 'm' in the sentence.

SOLUTION: a number of people sitting on mhairs near eamh other

PROBLEM: Sentence: 'a little girl laying on a boogie board next to the ocean'. Replace the letter 't' with 'm' in the sentence.

SOLUTION: a limmle girl laying on a boogie board nexm mo mhe ocean

PROBLEM: Sentence: 'a cow faces the camera while standing on the side of the road in a grassy area with flowering trees'. Replace the letter 's' with 'm' in the sentence.

SOLUTION:
a cow facem the camera while mtanding on the mide of the road in a grammy area with flowering treem