Question: Is sunscreen unhelpful for the condition that killed Bob Marley?, Answer:Yes, Description of Bob Marley: Jamaican singer-songwriter, Fact1: Bob Marley died of acral lentiginous melanoma , Fact2: Acral lentiginous melanoma occurs on skin that may not have any sun exposure 
Step1: What disease killed Bob Marley?, Step2: What is the cause of #1?, Step3: Would sunscreen help with preventing #2?, Wikipedia page for step 1: Bob Marley, Wikipedia page for step 2: Acral lentiginous melanoma , Wikipedia page for step 3: Acral lentiginous melanoma , not_definitive_answer: False, incorrect_answer: False