Thank you for mentioning the "bat and ball" problem. Having neither a math nor CS background, I hadn't heard of it - and got it wrong. And reflecting on why I

Thank you for mentioning the "bat and ball" problem. Having neither a math nor CS background, I hadn't heard of it - and got it wrong. And reflecting on why I got it wrong I gained a little understanding of my own flawed mind. Why did I focus on a single variable and not a relationship? It set my mind wandering and was a nice morsel to digest with my breakfast. Thanks!