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

Sentence: 'a person that is sitting under an umbrella'. Replace the letter 'a' with 'l' in the sentence.
l person thlt is sitting under ln umbrelll

Sentence: 'a large white sign with black lettering  leaning against a metal fence'. Replace the letter 'e' with 'j' in the sentence.
a largj whitj sign with black ljttjring  ljaning against a mjtal fjncj

Sentence: 'a construction worker doing work on the street and guiding a truck'. Replace the letter 'o' with 'v' in the sentence.

a cvnstructivn wvrker dving wvrk vn the street and guiding a truck