\begin{tabular}{lcc}
\toprule
\textbf{Model Variant} & \textbf{Encoder Type} & \textbf{Test Acc. (\%)} \\
\midrule
TBM (All Tools, val on VLM-sel tools) & Separate & 72.2 \\
TBM–VLM Random & Separate & 88.5 \\
TBM–VLM Stochastic & Separate & \textbf{89.2} \\
TBM–VLM Exact & Separate & 89.0 \\
\midrule
TBM (All Tools, val on VLM-sel tools) & Shared & 64.9 \\
TBM–VLM Random & Shared & 90.3 \\
TBM–VLM Stochastic & Shared & \textbf{90.8} \\
TBM–VLM Exact & Shared & 90.2 \\
\bottomrule
\end{tabular}