\documentclass{article}
\begin{document}
{ \small
%\begin{table}[ht]
%\caption{?????-??????-??}
{\large \textbf{Training Data} } \\
\begin{tabular}{l l l l l}
\hline
\\
{\em Positive Training } & (58 cases) \\
Cottrell precipitator&Van de Graaff generator&Wimshurst machine&aerial&antenna\\
attenuator&ballast&battery&bimetallic strip&board\\
brush&capacitance&capacitor&circuit&condenser\\
control board&control panel&distributer&electric battery&electric cell\\
electric circuit&electrical circuit&electrical condenser&electrical device&electrical distributor\\
electrical fuse&electrical relay&electrograph&electrostatic generator&electrostatic machine\\
filter&flasher&fuse&inductance&inductor\\
instrument panel&jack&light ballast&load&plug\\
precipitator&reactor&rectifier&relay&resistance\\
security&security measures&security system&solar array&solar battery\\
solar panel&spark arrester&spark plug&sparking plug&suppresser\\
transmitting aerial&transponder&zapper\\ \\
{\em Negative Training } & (55 cases) \\
Andes&Burnett&Diana&DuPonts&Friesland\\
Gibbs&Hickman&Icarus&Lorraine&Madeira\\
Quakeress&Southernwood&Waltham&Washington&adventures\\
affecting&aggrieving&attractiveness&bearer&boll\\
capitals&concluding&constantly&conviction&damming\\
deeper&definitions&dimension&discounting&distinctness\\
exclamation&faking&helplessness&humidly&hurling\\
introduces&kappa&maims&marine&moderately\\
monster&parenthesis&pinches&predication&prospect\\
repudiate&retry&royalty&shopkeepers&soap\\
sob&swifter&teared&thrashes&tuples\\ \\
{\em Anchors } & (6 dimensions) \\
bumbled&distributor&premeditation&resistor&suppressor\\
swimmers\\ \\
\end{tabular}
\begin{tabular}{l l l}\
{\large \textbf{Testing Results} } \\
& Positive tests & Negative tests \\
%heading
\hline
Positive&cell, male plug,& \\
Predictions&panel, transducer,& \\
&transformer& \\
\hline
Negative&&Boswellizes, appointer, \\
Predictions&&enforceable, greatness, \\
&&planet \\
{\large \textbf{ Accuracy } } & 10/10 = 100.00\% & \\
\end{tabular}
%\label{table:electrical}
%\end{table}
}
\end{document}