In this task, you need to replace a letter in the sentence with another given letter.

[Q]: Sentence: 'a group of people riding skis on a snowy surface'. Replace the letter 'p' with 'i' in the sentence.
[A]: a groui of ieoile riding skis on a snowy surface


[Q]: Sentence: 'a toilet that is being worked on with its  seat removed'. Replace the letter 't' with 'p' in the sentence.
[A]: a poilep phap is being worked on wiph ips  seap removed


[Q]: Sentence: 'the airplane is parked on the runway for people to look at'. Replace the letter 'a' with 'e' in the sentence.
[A]:
the eirplene is perked on the runwey for people to look et