TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'children practicing tee ball together with a male coach standing behind the hitter and a tennis court in the background'. Replace the letter 'd' with 'f' in the sentence.

SOLUTION: chilfren practicing tee ball together with a male coach stanfing behinf the hitter anf a tennis court in the backgrounf

PROBLEM: Sentence: 'people watching a kite being flown with a sky background'. Replace the letter 'a' with 'b' in the sentence.

SOLUTION: people wbtching b kite being flown with b sky bbckground

PROBLEM: Sentence: 'a couple of people sitting down and holding a wine glass'. Replace the letter 's' with 'm' in the sentence.

SOLUTION:
a couple of people mitting down and holding a wine glamm