TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a seafood dish served over a bowl of white rice'. Replace the letter 'e' with 'u' in the sentence.

SOLUTION: a suafood dish survud ovur a bowl of whitu ricu

PROBLEM: Sentence: 'this poster is advertising high performance with a girl riding a bicycle and some taxis on the street'. Replace the letter 't' with 'f' in the sentence.

SOLUTION: fhis posfer is adverfising high performance wifh a girl riding a bicycle and some faxis on fhe sfreef

PROBLEM: Sentence: 'a bathroom has a sink, window, and bathtub in it'. Replace the letter 'n' with 'm' in the sentence.

SOLUTION:
a bathroom has a simk, wimdow, amd bathtub im it