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

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

[EX Q]: Sentence: 'a man dressed in a knight costume riding a horse performing at a show'. Replace the letter 'e' with 'j' in the sentence.
[EX A]: a man drjssjd in a knight costumj riding a horsj pjrforming at a show

[EX Q]: Sentence: 'two people in neon vests ride clydesdale horses'. Replace the letter 'e' with 'j' in the sentence.
[EX A]:
two pjoplj in njon vjsts ridj clydjsdalj horsjs