Let $\mathcal{M}=(M,<,\ldots)$ be an o-minimal structure, namely a linearly ordered (by $<$) first order structure such that every definable set in $M$ is finite union of points and intervals $(a,b)$ where $a\in M\cup\{-\infty\}$ and $b=M\cup \{+\infty\}$. Is there an expansion of $\mathcal{...