code: def __call__(self, x):
      return F.relu(self.l1(x))
  
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 MLP0SubA obj's underlying member method code with example usage: obj.__call__(x) and returns: F