Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| software | version | operating systems | developer | license |
| beeone smod / hms | 3.1 | windows | hemi - synths explorers | proprietary |
| brainwave generator | 3.1 | windows | noromaa solutions oy | proprietary |
| gnaural | 1.0.20100707 | freebsd , linux , mac os x , windows | gnaural | gpl |
| brainigniter player | 6.0 | windows | volition | proprietary |
| neuro - programmer 3 | 3.0.9.0 | windows | transparent corp | proprietary |
| mind workstation | 1.2.2.0 | windows | transparent corp | proprietary |
| sbagen | 1.4.4 | dos , freebsd , linux , mac os x , windows , wince | uazu | gpl |
| brainwave studio | 1.5 | mac os x , ios | rcs software | proprietary |
| discord | 3.2.1 | linux | stan lysiak | gpl |
Title:
comparison of brainwave entrainment software
Statement:
only three kinds of software hold a gpl license
Answer:
supported