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

Sentence: 'a white nerd with a tie around his sweater'. Replace the letter 'i' with 'q' in the sentence.
a whqte nerd wqth a tqe around hqs sweater

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 flock of flamingos stands in a zoo'. Replace the letter 'f' with 'p' in the sentence.

a plock op plamingos stands in a zoo