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

Sentence: 'this is a bathroom found in a hotel'. Replace the letter 'h' with 's' in the sentence.
tsis is a batsroom found in a sotel

Sentence: 'a study features the color green and old-fashioned furniture'. Replace the letter 'e' with 'd' in the sentence.
a study fdaturds thd color grddn and old-fashiondd furniturd

Sentence: 'a civil war commander is on a horse'. Replace the letter 'n' with 't' in the sentence.

a civil war commatder is ot a horse