Fair is related to Exhibit. Exhibit is a synonym of Hang. Hang is a type of Be. Deck is a type of Be. 
Normal is a synonym of Healthy. Healthy is related to Chicken. Chicken is a different concept from Vegetable. 
Fair <--RelatedTo--> Exhibit <--Synonym--> Hang --IsA--> Be <--IsA-- Deck 
Normal <--Synonym--> Healthy <--RelatedTo--> Chicken <--DistinctFrom--> Vegetable 