 
<translate> N'iburu ezi uche dị na ya, nye ajụjụ na azịza ezi uche dị na ya. Nzọụkwụ site na nzọụkwụ nke arụmụka: Onye na-agba ịnyịnya ígwè enweghị ike ịnwe okpu agha na enweghị okpu agha n'otu oge.  Ajụjụ na azịza: <eng> Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: The biker can't have a helmet and no helmet on at the same time.
 The question and answer: 