Question: It was $x$ $z$ $w$ or $y$
1. The problem states: "It was $x$ $z$ $w$ or $y$."
2. Since this is a statement involving variables $x$, $z$, $w$, and $y$, but no explicit question or equation is given, there is no calculation or algebraic manipulation to perform.
3. If you have a specific question or equation involving these variables, please provide it so I can assist you further.