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

Sentence: 'a group of people walking along a dirty snow covered road'. Replace the letter 'n' with 'i' in the sentence.
a group of people walkiig aloig a dirty siow covered road

Sentence: 'a person is riding a skateboard in a skateboard park'. Replace the letter 'a' with 'o' in the sentence.
o person is riding o skoteboord in o skoteboord pork

Sentence: 'giraffes and zebras sharing accommodations at a zoo'. Replace the letter 'n' with 'e' in the sentence.

giraffes aed zebras sharieg accommodatioes at a zoo