TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a table with three different plates and several drinks on it'. Replace the letter 't' with 'x' in the sentence.

SOLUTION: a xable wixh xhree differenx plaxes and several drinks on ix

PROBLEM: Sentence: 'there is a piece of a cake on the plate and a cup of drink'. Replace the letter 'r' with 'u' in the sentence.

SOLUTION: theue is a piece of a cake on the plate and a cup of duink

PROBLEM: Sentence: 'two large slices of pizza on a tray'. Replace the letter 'l' with 'o' in the sentence.

SOLUTION:
two oarge soices of pizza on a tray