TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a painting of scissors going to cut a chain with a lock'. Replace the letter 'g' with 'v' in the sentence.

SOLUTION: a paintinv of scissors voinv to cut a chain with a lock

PROBLEM: Sentence: 'a boy on the beach playing with a frisbee'. Replace the letter 'h' with 'e' in the sentence.

SOLUTION: a boy on tee beace playing wite a frisbee

PROBLEM: Sentence: 'a woman walking in the sand with a colorful bird kite'. Replace the letter 'n' with 'k' in the sentence.

SOLUTION:
a womak walkikg ik the sakd with a colorful bird kite