instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'three young school girls waiting on a subway train platform'. Replace the letter 't' with 'o' in the sentence.
answer:
ohree young school girls waioing on a subway orain plaoform

question:
Sentence: 'a child watching television changing the station with a remote'. Replace the letter 'n' with 'z' in the sentence.
answer:
a child watchizg televisioz chazgizg the statioz with a remote

question:
Sentence: 'a very large bathroom with a lot of space'. Replace the letter 'p' with 'x' in the sentence.
answer:
a very large bathroom with a lot of sxace