TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a close up of a bathroom sink with soap and tooth brushes in a cup'. Replace the letter 't' with 'y' in the sentence.

SOLUTION: a close up of a bayhroom sink wiyh soap and yooyh brushes in a cup

PROBLEM: Sentence: 'a clock mounted above a door entrance with windows'. Replace the letter 's' with 'l' in the sentence.

SOLUTION: a clock mounted above a door entrance with windowl

PROBLEM: Sentence: 'a white bathroom with a stand alone sink and a shower curtain'. Replace the letter 'a' with 'm' in the sentence.

SOLUTION:
m white bmthroom with m stmnd mlone sink mnd m shower curtmin