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

Sentence: 'a couple of giraffes being feed by people at the zoo'. Replace the letter 't' with 'v' in the sentence.
a couple of giraffes being feed by people av vhe zoo

Sentence: 'a group of people walking along a dirty snow covered road'. Replace the letter 'n' with 'i' in the sentence.
a group of people walkiig aloig a dirty siow covered road

Sentence: 'a man standing in a living room behind a couch'. Replace the letter 'a' with 'q' in the sentence.

q mqn stqnding in q living room behind q couch