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

Sentence: 'the big sandwich features several different  colorful ingredients'. Replace the letter 'e' with 'o' in the sentence.
tho big sandwich foaturos sovoral difforont  colorful ingrodionts

Sentence: 'a large clock on the top of pole in the middle of a walk way'. Replace the letter 'f' with 'h' in the sentence.
a large clock on the top oh pole in the middle oh a walk way

Sentence: 'sheep grazing in a field near a stone fence'. Replace the letter 'a' with 'n' in the sentence.

sheep grnzing in n field nenr n stone fence