instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a train moving on a track during the day'. Replace the letter 't' with 'q' in the sentence.
answer:
a qrain moving on a qrack during qhe day

question:
Sentence: 'a herd of black cattle grazing and lounging in a green field'. Replace the letter 'a' with 'q' in the sentence.
answer:
q herd of blqck cqttle grqzing qnd lounging in q green field

question:
Sentence: 'a street scene with several motorcycles, cars, and a truck loaded with metal'. Replace the letter 't' with 'z' in the sentence.
answer:
a szreez scene wizh several mozorcycles, cars, and a zruck loaded wizh mezal