op = sparse_ops.sparse_cross([
        self._sparse_tensor(
            [['batch1-FC1-F1', 'batch1-FC1-F2', 'batch1-FC1-F3']]),
        self._sparse_tensor([['batch1-FC2-F1']]),
        self._sparse_tensor([['batch1-FC3-F1', 'batch1-FC3-F2']])