def METHOD_NAME(self, data):
    x_guest, x_host = data[0].type(t.float), data[1].type(t.float)
    guest_fw = self.inter_a(self.guest_bottom(x_guest))
    host_fw = self.inter_b(self.host_bottom(x_host))
    out = self.top_model_guest(guest_fw + host_fw)
    return out