TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a woman standing in front of a bear in an enclosure'. Replace the letter 'e' with 'r' in the sentence.

SOLUTION: a woman standing in front of a brar in an rnclosurr

PROBLEM: Sentence: 'a man taking a photo of food on a table'. Replace the letter 't' with 'h' in the sentence.

SOLUTION: a man haking a phoho of food on a hable

PROBLEM: Sentence: 'a red fire hydrant surrounded by yellow flowers and grass'. Replace the letter 'g' with 'd' in the sentence.

SOLUTION:
a red fire hydrant surrounded by yellow flowers and drass