Confusion is a type of Emotion. you are likely to find Confusion in/at/on Conference. Conference is a synonym of Talk. Talk is etymologically related to Tale. 
Judge is related to Legal. Legal is related to Rule. 
Emotion <--IsA-- Confusion --AtLocation--> Conference <--Synonym--> Talk --EtymologicallyRelatedTo--> Tale 
Judge <--RelatedTo--> Legal <--RelatedTo--> Rule 