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

Sentence: 'a few zebras that are next to each other'. Replace the letter 'o' with 'u' in the sentence.
a few zebras that are next tu each uther

Sentence: 'a baseball player running to third base from second'. Replace the letter 'a' with 'u' in the sentence.
u busebull pluyer running to third buse from second

Sentence: 'a line of people with luggage at an airport'. Replace the letter 'i' with 'v' in the sentence.

a lvne of people wvth luggage at an avrport