instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a small train is on the tracks by a house'. Replace the letter 'l' with 'x' in the sentence.
answer:
a smaxx train is on the tracks by a house


question:
Sentence: 'a pile of chopped up broccoli sits next to bottles of sauces'. Replace the letter 't' with 'y' in the sentence.
answer:
a pile of chopped up broccoli siys nexy yo boyyles of sauces


question:
Sentence: 'cake with various ornaments on a plate on a table'. Replace the letter 'n' with 'h' in the sentence.
answer:

cake with various orhamehts oh a plate oh a table