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

Sentence: 'a woman is talking on her white phone'. Replace the letter 'w' with 'r' in the sentence.
a roman is talking on her rhite phone

Sentence: 'street sign titled kittery maine state line in green'. Replace the letter 'e' with 'r' in the sentence.
strrrt sign titlrd kittrry mainr statr linr in grrrn

Sentence: 'a man on top of a sign waving a flag'. Replace the letter 'p' with 'q' in the sentence.

a man on toq of a sign waving a flag