\begin{tabular}{c | c | c} {\bf Benchmark} & {\bf Easy} & {\bf Moderate} & {\bf Hard}\\ \hline Car (Detection) & 81.38 \% & 66.63 \% & 52.20 \%\\ Car (Orientation) & 80.44 \% & 65.50 \% & 51.24 \% \end{tabular}