Mathematics.
A mathematician emerges from a cave, hands you the slip of paper below, and says "I have two cats; at least one is a male. What is the probability that I have two males?" What is your answer?
Not Kent. Nasty looking crash at the start of the Formula 1's British Grand Prix earlier today on the Silverstone track. The Alfa Romeo driver, Zhou Guanyu, escaped without any serious injuries. https://t.co/hOfL3uxx7k