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 group of men and women sitting next to each other'. Replace the letter 'p' with 'l' in the sentence.
answer:
a groul of men and women sitting next to each other


question:
Sentence: 'a close up of a street sign with an apartment building in the background'. Replace the letter 't' with 'e' in the sentence.
answer:

a close up of a sereee sign wieh an aparemene building in ehe background