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 photo of a woman milking a brown cow'. Replace the letter 'k' with 'q' in the sentence.

SOLUTION: a photo of a woman milqing a brown cow

PROBLEM: Sentence: 'a man wearing glasses cuts a birthday cake while children stand around a table'. Replace the letter 'w' with 'b' in the sentence.

SOLUTION:
a man bearing glasses cuts a birthday cake bhile children stand around a table