Random triples
| Subject | Object |
|---|---|
| gptkb:Recreational_Pilot_Certificate | at least third-class medical certificate |
| gptkb:Recreational_Pilot_Permit | Category 4 medical certificate |
| gptkb:NASA_astronauts | pass NASA long-duration spaceflight physical |
| gptkb:Disability_Insurance_Benefits | disability must last at least 12 months or result in death |