instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man with a backpack on a motorcycle'. Replace the letter 't' with 'd' in the sentence.
answer:
a man widh a backpack on a modorcycle


question:
Sentence: 'a clean, sterile bathroom with a shower, toilet, and sink'. Replace the letter 'n' with 'k' in the sentence.
answer:
a cleak, sterile bathroom with a shower, toilet, akd sikk


question:
Sentence: 'a man is on snow skiis next to a small cabin'. Replace the letter 's' with 'j' in the sentence.
answer:

a man ij on jnow jkiij next to a jmall cabin