| (subclass Pollution SocialInteraction) | Geography.kif 2805-2805 | Pollution is a subclass of social interaction |
| (subclass AirPollution Pollution) | Geography.kif 2479-2479 | Air pollution is a subclass of pollution |
| (subclass IndustrialPollution Pollution) | Geography.kif 2748-2748 | Industrial pollution is a subclass of pollution |
| (subclass PesticidePollution Pollution) | Geography.kif 2795-2795 | Pesticide pollution is a subclass of pollution |
| (subclass VehicularPollution Pollution) | Geography.kif 2961-2961 | Vehicular pollution is a subclass of pollution |
| (subclass WaterPollution Pollution) | Geography.kif 2970-2970 | Water pollution is a subclass of pollution |
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