TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'group playing frisbee with runners in grassy field'. Replace the letter 'l' with 'q' in the sentence.

SOLUTION: group pqaying frisbee with runners in grassy fieqd

PROBLEM: Sentence: 'a study features the color green and old-fashioned furniture'. Replace the letter 'e' with 'd' in the sentence.

SOLUTION: a study fdaturds thd color grddn and old-fashiondd furniturd

PROBLEM: Sentence: 'a bedroom with a bed covered with a white bedspread, and a table with a lamp'. Replace the letter 'w' with 'j' in the sentence.

SOLUTION:
a bedroom jith a bed covered jith a jhite bedspread, and a table jith a lamp