instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a couple of giraffe standing next to each other in a forest'. Replace the letter 'a' with 'w' in the sentence.
answer:
w couple of girwffe stwnding next to ewch other in w forest


question:
Sentence: 'a hand holding part of a sponge with scissors nearby'. Replace the letter 'o' with 'e' in the sentence.
answer:
a hand helding part ef a spenge with scissers nearby


question:
Sentence: 'small bus parked on the side of a train station area'. Replace the letter 'a' with 'v' in the sentence.
answer:

smvll bus pvrked on the side of v trvin stvtion vrev