instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a couple of people that are petting a horse'. Replace the letter 'e' with 'p' in the sentence.
answer:
a couplp of ppoplp that arp pptting a horsp


question:
Sentence: 'a bride and a groom look ridiculous as they stuff cake into each other's mouth'. Replace the letter 'd' with 's' in the sentence.
answer:
a brise ans a groom look risiculous as they stuff cake into each other's mouth


question:
Sentence: 'a woman walks by with a large suitcase and a polka dot umbrella'. Replace the letter 'e' with 'n' in the sentence.
answer:

a woman walks by with a largn suitcasn and a polka dot umbrnlla