code: def __call__(self, h0):
      h1 = F.relu(self.l2(h0))
      return self.l3(h1)
  
imports: import argparse
  import chainer
  import chainer.cuda
  import chainer.functions
  import chainer.links
  from chainer import training
  from chainer.training import extensions
  import chainermn
  import chainermn.datasets
  import chainermn.functions
label_desc: Use image node_id 2 for calling the MLP1Sub obj's underlying member method code with example usage: obj.__call__(h0) and returns: self