TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a person holding a green cell phone in a classroom with many desks'. Replace the letter 'k' with 'w' in the sentence.

SOLUTION: a person holding a green cell phone in a classroom with many desws

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: 'a lot of veggies sitting on a little table'. Replace the letter 't' with 'g' in the sentence.

SOLUTION:
a log of veggies sigging on a liggle gable