| (subclass AirStream FlowRegion) | Weather.kif 62-62 | Air stream is a subclass of flow region |
| (subclass AirStream Air) | Weather.kif 63-63 | Air stream is a subclass of air |
| (subclass JetStream AirStream) | Weather.kif 75-75 | Jet stream is a subclass of air stream |
| (subclass WindFlow AirStream) | Weather.kif 82-82 | Wind flow is a subclass of air stream |
| (subclass EyeOfCyclone AirStream) | Weather.kif 583-583 | Eye of cyclone is a subclass of air stream |
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