\begin{tabular}{|l|c|c|c|c|} \hline & \multicolumn{1}{|c|}{ B } & \multicolumn{2}{c|}{ C } & \multicolumn{1}{c|}{ D } \\ \hline \hline 2 & Write yes or no in each one of these boxes. & & \\ \hline 3 & \multicolumn{1}{|c|}{ Set 1 features: } & Set 2 features: & Set 3 features: \\ \hline 4 & & & \\ \hline 5 & trend? & & & \\ \hline 6 & seasonality? & & & \\ \hline 7 & black swan? & & & \\ \hline 8 & change of level & & & \\ \hline \end{tabular} \begin{tabular}{|l|c|c|c|c|} \hline & \multicolumn{1}{|c|}{ B } & \multicolumn{2}{c|}{ C } & \multicolumn{1}{c|}{ D } \\ \hline \hline 2 & Write yes or no in each one of these boxes. & & \\ \hline 3 & \multicolumn{1}{|c|}{ Set 1 features: } & Set 2 features: & Set 3 features: \\ \hline 4 & & & \\ \hline 5 & trend? & & & \\ \hline 6 & seasonality? & & & \\ \hline 7 & black swan? & & & \\ \hline 8 & change of level & & & \\ \hline \end{tabular}