\item \lect Consider the \textit{Theory of Uninterpreted Functions and Equality} $\mathcal{T}_{EUF}$ and tick all statements below, that are correct.

\begin{itemize}
    \item[$\square$] $\mathcal{T}_{EUF}$ is decidable.
    \item[$\square$] $\mathcal{T}_{EUF}$ is not decidable.
    \item[$\square$] The quantifier-free fragment of $\mathcal{T}_{EUF}$ is not decidable.
    \item[$\square$] The quantifier-free fragment of $\mathcal{T}_{EUF}$ is decidable.
\end{itemize}