CoT and answer: HIV is transmitted through blood and mucous membrane contact, not saliva. Silverware is used in the mouth and contacts saliva but not other bodily fluids.
yes
Do reverse engineering and find the question: Is it safe to share silverware with an HIV positive person?

CoT and answer: Richard III lived until the age of 32. Richard, Duke of York, Richard III's father, lived until the age of 49.
yes
Do reverse engineering and find the question: Did Richard III's father have greater longevity than him?

CoT and answer: A spider wasp is a kind of wasp, which is an insect. Insects all have six legs.
no
Do reverse engineering and find the question: Do spider wasps have eight legs?

CoT and answer: Depression is caused by low levels of serotonin, dopamine and norepinephrine. Monoamine Oxidase breaks down neurotransmitters and lowers levels of serotonin, dopamine and norepinephrine.
no
Do reverse engineering and find the question:
Would a Monoamine Oxidase candy bar cheer up a depressed friend?