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

Sentence: 'a group of young adults are engaged in outdoor exercise'. Replace the letter 'g' with 'n' in the sentence.
a nroup of younn adults are ennaned in outdoor exercise

Sentence: 'a seafood dish served over a bowl of white rice'. Replace the letter 'e' with 'u' in the sentence.
a suafood dish survud ovur a bowl of whitu ricu

Sentence: 'a small black tv sitting on top of a wooden stand'. Replace the letter 'b' with 'k' in the sentence.

a small klack tv sitting on top of a wooden stand