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\begin{document}
\begin{table}
\centering
\begin{adjustbox}{max width=\textwidth}
	\begin{tabular}{lcccc}
		\toprule
		Methods & CoLA & STS-B & MRPC & RTE \\ 
		\midrule
		BERT$_{\rm{base}}$ & 60.3 & 89.9 & 85.1 & 70.8 \\
		$\;\,$+\textsc{AD-Drop} (GA) & \textbf{64.6} & 90.4 & \textbf{88.5} & \textbf{75.1} \\
		\quad\textit{r/w} IGA & 63.8 & \textbf{90.7} & \textbf{88.5} & 74.4 \\
		\quad\textit{r/w} AA  & 63.6 & 90.0 & 88.0 & 74.7 \\
		\quad\textit{r/w} RD & 62.1 & 90.2 & 87.8 & 74.7 \\
		\quad\textit{r/w} gold labels & 63.2 & - & 88.0 & 74.4 \\
		\quad\textit{w/o} cross-tuning & 62.1 & 90.4 & 87.3 & 71.5 \\
		\midrule
		RoBERTa$_{\rm{base}}$ & 64.8 & 90.9 & 90.7 & 79.4 \\
		$\;\,$+\textsc{AD-Drop} (GA) & 66.8 & 91.4 & \textbf{92.2} & \textbf{84.1} \\
		\quad\textit{r/w} IGA  & \textbf{68.1} & \textbf{91.6} & 91.4 & 82.7\\
		\quad\textit{r/w} AA  & 66.3 & 91.5 & 91.2 & 82.3 \\
		\quad\textit{r/w} RD & 66.5 & 91.5 & \textbf{92.2} & 82.0 \\
		\quad\textit{r/w} gold labels & 66.4 & - & 91.2 & 82.0 \\
		\quad\textit{w/o} cross-tuning & 67.3 & 91.3 & 90.4 & 80.5 \\
		\bottomrule
	\end{tabular}	
\end{adjustbox}
\caption{Table 2: Results of ablation studies, in which \textit{r/w} means ``replace with'' and \textit{w/o} means ``without''.}
\end{table}
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