Thing is related to Flower. Flower is related to Smell. Smell is related to Awful. Awful is a synonym of Tremendous. 
Anxiety is related to Nervous. Nervous is a different concept from Cool. Ice is a type of Cool. 
Thing <--RelatedTo--> Flower <--RelatedTo--> Smell <--RelatedTo--> Awful <--Synonym--> Tremendous 
Anxiety <--RelatedTo--> Nervous <--DistinctFrom--> Cool <--IsA-- Ice 