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

Sentence: 'a sad looking dog getting a bath in a sink'. Replace the letter 't' with 'c' in the sentence.
a sad looking dog geccing a bach in a sink

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: 'a bunch of people near a street with a large group of cops'. Replace the letter 'o' with 'c' in the sentence.

a bunch cf pecple near a street with a large grcup cf ccps