instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a laptop computer attached to a large monitor'. Replace the letter 'a' with 'r' in the sentence.
answer:
r lrptop computer rttrched to r lrrge monitor


question:
Sentence: 'a person is riding a skateboard in a skateboard park'. Replace the letter 'a' with 'o' in the sentence.
answer:
o person is riding o skoteboord in o skoteboord pork


question:
Sentence: 'a dog runs with a frisbee that he has caught'. Replace the letter 't' with 'j' in the sentence.
answer:

a dog runs wijh a frisbee jhaj he has caughj