instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'some brown black and white horses clouds and rocks'. Replace the letter 'a' with 'n' in the sentence.
answer:
some brown blnck nnd white horses clouds nnd rocks

question:
Sentence: 'the large modern bathroom has two sinks and a large tub'. Replace the letter 't' with 'j' in the sentence.
answer:
jhe large modern bajhroom has jwo sinks and a large jub

question:
Sentence: 'many different sized desks in a room with many windows'. Replace the letter 'w' with 'a' in the sentence.
answer:
many different sized desks in a room aith many aindoas