def METHOD_NAME(self, embedder: nn.Module):
    """
    Do a forward pass with a random pair (src, dst) pair of shapes
    Args:
        embedder (nn.Module): module that computes vertex embeddings for different meshes
    """
    src_mesh_name, dst_mesh_name = self._sample_random_pair()
    return self._forward_one_pair(embedder, src_mesh_name, dst_mesh_name)