Excellent is related to Praise. Praise is related to God. 
Nuclear is related to Waste. Waste is related to Dirty. Dirty is related to Ground. Ground is related to Style. 
Excellent <--RelatedTo--> Praise <--RelatedTo--> God 
Nuclear <--RelatedTo--> Waste <--RelatedTo--> Dirty <--RelatedTo--> Ground <--RelatedTo--> Style 