TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a room with a bed, lamps, tables and pillows'. Replace the letter 's' with 'b' in the sentence.

SOLUTION: a room with a bed, lampb, tableb and pillowb

PROBLEM: Sentence: 'stone and white colored structure in front of white modern building'. Replace the letter 'r' with 'p' in the sentence.

SOLUTION: stone and white coloped stpuctupe in fpont of white modepn building

PROBLEM: Sentence: 'a group of well-dressed people enjoy a meal while seated at a long wooden table'. Replace the letter 'e' with 'g' in the sentence.

SOLUTION:
a group of wgll-drgssgd pgoplg gnjoy a mgal whilg sgatgd at a long woodgn tablg