 
<translate> Ya yi kyau. Za a ba ku tambaya mai zuwa. Don Allah yi tunani a sarkar tunani. Wanne ne daga cikin jimloli masu zuwa ba shi da ma'ana? Zaɓuɓɓuka: - Jumla ta farko: "Akwai yiwuwar akwai babban birni a duniya". - Jumla ta B: "Akwai yiwuwar akwai wani babban birni a duniyar Mars". <eng> OK. You'll be given the following question. Please do chain-of-thought reasoning.
Which of the following sentences is nonsensical?
Options:
- Sentence A: "There may be a big city on earth."
- Sentence B: "There may be a big city on Mars."
 