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

Sentence: 'the living room is designed with brown and beige colors'. Replace the letter 'i' with 'b' in the sentence.
the lbvbng room bs desbgned wbth brown and bebge colors

Sentence: 'a wooden bench near a tree and a stone wall'. Replace the letter 'l' with 'q' in the sentence.
a wooden bench near a tree and a stone waqq

Sentence: 'a airplane that is sitting on a runway'. Replace the letter 'r' with 'g' in the sentence.

a aigplane that is sitting on a gunway