TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a man extends his arm with a frisbee in hand as another reaches to grab it while teammates watch'. Replace the letter 'a' with 'g' in the sentence.

SOLUTION: g mgn extends his grm with g frisbee in hgnd gs gnother regches to grgb it while tegmmgtes wgtch

PROBLEM: Sentence: 'picture of a gothic church with a blue sky in the background'. Replace the letter 'e' with 'i' in the sentence.

SOLUTION: picturi of a gothic church with a blui sky in thi background

PROBLEM: Sentence: 'a room filled with lots of junk and clutter'. Replace the letter 'l' with 's' in the sentence.

SOLUTION:
a room fissed with sots of junk and csutter