instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a group of people riding skis on a snowy surface'. Replace the letter 'p' with 'i' in the sentence.
answer:
a groui of ieoile riding skis on a snowy surface


question:
Sentence: 'a couple giraffes walking through a fielded area'. Replace the letter 'e' with 'c' in the sentence.
answer:
a couplc giraffcs walking through a ficldcd arca


question:
Sentence: 'a big truck parked on the street next to the curb'. Replace the letter 's' with 'q' in the sentence.
answer:

a big truck parked on the qtreet next to the curb