Anxiety is a type of Emotion. Anxiety is related to Nervous. 
Blade is a type of Runner. Runner is related to Candidate. Candidate is related to Election. Election is related to Result. 
Emotion <--IsA-- Anxiety <--RelatedTo--> Nervous 
Blade --IsA--> Runner <--RelatedTo--> Candidate <--RelatedTo--> Election <--RelatedTo--> Result 