*Q:* Is sunscreen unhelpful for the condition that killed Bob Marley?
*A:* My reasoning: Bob Marley died of acral lentiginous melanoma. Acral lentiginous melanoma occurs on skin that may not have any sun exposure.
The answer: yes.


*Q:* Does Carmen Electra own a junk?
*A:* My reasoning: A junk is a boat. Boats are sailed on open water. Carmen Electra has a fear of open water.
The answer: no.


*Q:* Are all limbs required for jujutsu?
*A:*

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
My reasoning: Jujutsu is a Japanese martial art that uses unarmed combat to subdue opponents. Nick Newell, a congenital amputee, got his black belt after two straight submission wins. Fighter Aaron LaPointe has succeeded in martial arts with a fully paralyzed arm.
The answer: no.