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

[Q]: Sentence: 'a couple of horses with carriages at a building'. Replace the letter 'u' with 'm' in the sentence.
[A]: a comple of horses with carriages at a bmilding


[Q]: Sentence: 'a couple of kids laying in bed together'. Replace the letter 'o' with 'v' in the sentence.
[A]: a cvuple vf kids laying in bed tvgether


[Q]: Sentence: 'a traffic light at an intersection of a wide street'. Replace the letter 't' with 'k' in the sentence.
[A]:
a kraffic lighk ak an inkerseckion of a wide skreek