Known answer: yes
Now, what could be the question and solution? Is slitting your wrists an unreliable suicide method?
Wrist slitting has only a 6% mortality rate. Many people cannot complete the action of slitting their wrists due to pain or shock.

Known answer: yes
Now, what could be the question and solution? Could B be mistaken for an Arabic numeral?
The letter 'B' resembles a figure-8 with a flattened left side. The Arabic numeral '8' is drawn as one large circle and a smaller circle immediately on top, intersecting each other. A 'figure-8' is a shape consisting of two intersecting circles, the larger on the bottom.

Known answer: no
Now, what could be the question and solution? Did John Lennon listen to Compact discs?
The Compact disc was released in 1982 by Philips and Sony. John Lennon was killed on December 8, 1980.

Known answer: no
Now, what could be the question and solution?
Is helium the cause of the Hindenburg explosion?
The Hindenburgh was filled with hydrogen. Helium is considered a noble, inert gas that doesn't react. Hydrogen is highly flammable.