instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a girl riding a horse is jumping the log'. Replace the letter 'a' with 't' in the sentence.
answer:
t girl riding t horse is jumping the log


question:
Sentence: 'a table that has a pizza sitting on it'. Replace the letter 'a' with 'w' in the sentence.
answer:
w twble thwt hws w pizzw sitting on it


question:
Sentence: 'the double decker bus is not in service'. Replace the letter 'b' with 'n' in the sentence.
answer:

the dounle decker nus is not in service