Known answer: no
Now, what could be the question and solution? Could a hamster experience two leap years?
Pet hamsters typically have a maximum lifespan of three years. Leap years are typically separated by four years.

Known answer: yes
Now, what could be the question and solution? Can monkeys use QWERTY keyboards?
QWERTY keyboards are an alphabet key layout that were first used on typrwriters. Monkeys can be trained to push buttons. Typewriter key's are buttons. Monkeys can press keys on keyboards.

Known answer: yes
Now, what could be the question and solution? Is it safe to share silverware with an HIV positive person?
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.

Known answer: no
Now, what could be the question and solution?
Could an ocelot subsist on a single bee hummingbird per day?
An ocelot requires 600–800 grams (21–28 oz) of food every day to satisfy its energy requirements. Bee hummingbirds are the smallest living birds, with an average weight of around 2-3 grams.