TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a group of people hanging around holding umbrellas'. Replace the letter 'p' with 'f' in the sentence.

SOLUTION: a grouf of feofle hanging around holding umbrellas

PROBLEM: Sentence: 'a man on a skateboard jumping down a short flight of stairs'. Replace the letter 'o' with 'j' in the sentence.

SOLUTION: a man jn a skatebjard jumping djwn a shjrt flight jf stairs

PROBLEM: Sentence: 'a flower hanging from the side of a banana plant'. Replace the letter 'f' with 'y' in the sentence.

SOLUTION:
a ylower hanging yrom the side oy a banana plant