 
 <translate> One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "Ants are building houses."
- Sentence B: "He's building a house."
 Let's reason step by step: <ibo> Otu n'ime ahịrịokwu ndị na-esonụ enweghị isi. Olee nke ọ bụ? Nhọrọ: - Nkebi ahịrịokwu nke mbụ: "Ụmụ ahụhụ na-ewu ụlọ". - Nkebi ahịrịokwu B: "Ọ na-ewu ụlọ". Ka anyị tụlee nke a n'otu n'otu: 