code: def forward(self, x):
      return self.linear_clf(x)
  
file_path: dgl/examples/pytorch/ogc/ogc.py
imports: import dgl.sparse
  import torch.nn
  import torch.nn.functional
  from utils import LinearNeuralNetwork
label_desc: Use image node_id 2 for calling the OGC obj's underlying member method code with example usage: obj.forward(x) and returns: self