TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'two men and a dog are standing beside a building'. Replace the letter 'b' with 'y' in the sentence.

SOLUTION: two men and a dog are standing yeside a yuilding

PROBLEM: Sentence: 'it pays a cat to be suspicious of what your owner tries to feed you'. Replace the letter 'o' with 'g' in the sentence.

SOLUTION: it pays a cat tg be suspicigus gf what ygur gwner tries tg feed ygu

PROBLEM: Sentence: 'the condiments on this hot dog are applied in a fancy manner'. Replace the letter 'e' with 'x' in the sentence.

SOLUTION:
thx condimxnts on this hot dog arx applixd in a fancy mannxr