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

Sentence: 'a sign sitting on the side of a snow covered slope'. Replace the letter 'e' with 'g' in the sentence.
a sign sitting on thg sidg of a snow covgrgd slopg

Sentence: 'busy city street with pedestrians and cars with lights all around'. Replace the letter 'r' with 'k' in the sentence.
busy city stkeet with pedestkians and caks with lights all akound

Sentence: 'two blue baskets with vegetables and fruit inside'. Replace the letter 't' with 'g' in the sentence.

gwo blue baskegs wigh vegegables and fruig inside