TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a man that is jumping a skateboard over something'. Replace the letter 'g' with 'j' in the sentence.

SOLUTION: a man that is jumpinj a skateboard over somethinj

PROBLEM: Sentence: 'a man in a field standing as a ball comes through the air towards him'. Replace the letter 'u' with 'j' in the sentence.

SOLUTION: a man in a field standing as a ball comes throjgh the air towards him

PROBLEM: Sentence: 'two people with helmets on riding horses'. Replace the letter 'o' with 'n' in the sentence.

SOLUTION:
twn penple with helmets nn riding hnrses