In this task, you need to replace a letter in the sentence with another given letter.

[EX Q]: Sentence: 'a woman sitting on a bench under a gazebo'. Replace the letter 's' with 'u' in the sentence.
[EX A]: a woman uitting on a bench under a gazebo

[EX Q]: Sentence: 'a man is standing with this luggage next to a railroad track'. Replace the letter 'g' with 'l' in the sentence.
[EX A]: a man is standinl with this lullale next to a railroad track

[EX Q]: Sentence: 'two wooly cows grazing in a field of grass and weeds'. Replace the letter 'e' with 'r' in the sentence.
[EX A]:
two wooly cows grazing in a firld of grass and wrrds