\begin{figure}[tb]
    \centering
    \begin{tikzpicture}[transform canvas={scale=0.55}]
    % Draw the number line
    \draw[<->, line width=1.1pt] (-5.3,0) -- (5.3,0);

    % Add text labels at the ends
    \node[align=center, font=\itshape,color=gray] at (-6.3, 0.0) {uncertainty-\\agnostic};
    \node[align=center, font=\itshape,color=gray] at (6.3, 0.0) {uncertainty-\\reducing};
    \foreach \x/\label in {-4.2/{\textsc{respond}}, -1.5/{\textsc{Hedge}}, 1.5/{\textsc{Clarify}}, 4.3/{\textsc{Interrogate}}} {
    \draw (\x,0.1) -- (\x,-0.1) node[below] {\label};
  }
\end{tikzpicture}
    \caption{Spectrum characterizing the \actiontypes~that a \copilot~can take. RLHF fine-tuning encourages \textsc{Respond} and \textsc{Hedge}, whereas 
    \textsc{Clarify} may be more appropriate when user queries are under-specified.}
    \label{fig:spectrum}
\end{figure}
