TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'there are people camping and flying kites in a field'. Replace the letter 't' with 'j' in the sentence.

SOLUTION: jhere are people camping and flying kijes in a field

PROBLEM: Sentence: 'a small dog in the back compartment of a backpack'. Replace the letter 'c' with 'd' in the sentence.

SOLUTION: a small dog in the badk dompartment of a badkpadk

PROBLEM: Sentence: 'a boat home sitting on a river bay'. Replace the letter 'e' with 'o' in the sentence.

SOLUTION:
a boat homo sitting on a rivor bay