Deep Network

\usepackage{neuralnetwork}

\begin{neuralnetwork}[height=4, nodespacing=7mm, layerspacing=12mm]
  \inputlayer[count=4]
  \hiddenlayer[count=5]
  \linklayers
  \hiddenlayer[count=4]
  \linklayers
  \outputlayer[count=2]
  \linklayers
\end{neuralnetwork}