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

[EX Q]: Sentence: 'people are standing outside in the parking lot'. Replace the letter 'i' with 'z' in the sentence.
[EX A]: people are standzng outszde zn the parkzng lot

[EX Q]: Sentence: 'a box of a dozen doughnuts all varieties'. Replace the letter 'l' with 'i' in the sentence.
[EX A]: a box of a dozen doughnuts aii varieties

[EX Q]: Sentence: 'a beach front with a yacht in the background'. Replace the letter 'c' with 'j' in the sentence.
[EX A]:
a beajh front with a yajht in the bajkground