code: def forward(self, data1, data2, node_emd=False):
      if node_emd:
          embed1, embed2 = self.node_embed(data1, data2)
      else:
          embed1, embed2 = self.embed(data1, data2)
      return embed1, embed2
  
imports: import torch
  import torch.nn
  import torch.nn.functional
  from torch_scatter import scatter
  from torch_geometric.nn import global_add_pool, global_mean_pool, global_max_pool, GINConv
label_desc: Use image node_id 4 for calling the GMNet obj's underlying member method code with example usage: obj.forward(data1, data2, node_emd) and returns: embed1,  embed2