instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a couple sits on a bench in the countryside'. Replace the letter 'y' with 'k' in the sentence.
answer:
a couple sits on a bench in the countrkside


question:
Sentence: 'a large bedroom with art over the bed'. Replace the letter 'r' with 'o' in the sentence.
answer:
a laoge bedooom with aot oveo the bed


question:
Sentence: 'a skateboarder is wearing a black jacket is riding a skateboard'. Replace the letter 's' with 't' in the sentence.
answer:

a tkateboarder it wearing a black jacket it riding a tkateboard