 <translate> Use reasoning to lead to the answer of the following question:
Every living person has what on top of their neck?
Options:
- immune system
- belly button
- two eyes
- one head
- name
 Reasoning process: <yor> Lo àròjinlẹ̀ láti dáhùn ìbéèrè tó tẹ̀ lé e yìí: Kí ni gbogbo èèyàn tó wà láàyè máa ń ní lọ́rùn? Àwọn àyè: - ètò ààbò ara - ìbàdí - ojú méjì - orí kan - orúkọ Bí wọ́n ṣe ń ronú: 