 
<translate> Ọ dị mma. A ga-ajụ gị ajụjụ na-esonụ. Biko jiri usoro iche echiche mee ihe. N'ime ahịrịokwu ndị a, olee nke na-enweghị isi? Nhọrọ: - Nkebi ahịrịokwu nke mbụ: "O nwere ike ịbụ na e nwere nnukwu obodo n'ụwa". - Nkebi ahịrịokwu B: "O nwere ike ịbụ na e nwere nnukwu obodo na 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."
 