the device stream is a mean of stream next to the ink mountain
brook is not stream. one_type_of_stream is jet_stream. brook is stream. tidal_river is stream. input_stream is stream. input_stream is computer_data_artifact. input_stream is not stream. one_type_of_stream is not jet_stream. bidirectional_data_stream is stream. bidirectional_data_stream is not stream.