In this task, you need to replace a letter in the sentence with another given letter.

Sentence: 'a living room with an orange couch and green decorations'. Replace the letter 'c' with 'm' in the sentence.
a living room with an orange moumh and green demorations

Sentence: 'a man walking a horse on a dirt track'. Replace the letter 't' with 's' in the sentence.
a man walking a horse on a dirs srack

Sentence: 'a man in a tie in a picture with a tennis racket'. Replace the letter 'h' with 'e' in the sentence.
a man in a tie in a picture wite a tennis racket