instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man sitting in a chair with a laptop in his lap'. Replace the letter 'p' with 'v' in the sentence.
answer:
a man sitting in a chair with a lavtov in his lav


question:
Sentence: 'a person that is sitting under an umbrella'. Replace the letter 'a' with 'l' in the sentence.
answer:
l person thlt is sitting under ln umbrelll


question:
Sentence: 'a couple of kids are sitting in a field'. Replace the letter 't' with 'v' in the sentence.
answer:

a couple of kids are sivving in a field