 
<translate> N'iburu ezi uche dị na ya, nye ajụjụ na azịza ezi uche dị na ya. Ụzọ e si atụgharị uche n'isiokwu a: Ọnụ ụzọ ụlọ bụ ụzọ bụ́ isi e si abanye n'ụlọ. Mgbe ụfọdụ, a na-esi n'ọnụ ụzọ dị n'ihu ụlọ ezipụ akwụkwọ ozi.  Ajụjụ na azịza: <eng> Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: Front door is the main entrance to a house. Letters are sometimes delivered by hand through front door.
 The question and answer: 