Nice is the opposite of Cake. Cake can be False. False is the opposite of Fact. Index is a type of Fact. 
Kneel is a type of Rest. Rest is related to Easy. Easy is the opposite of Anxious. 
Nice <--Antonym--> Cake --HasProperty--> False <--Antonym--> Fact <--IsA-- Index 
Kneel --IsA--> Rest <--RelatedTo--> Easy <--Antonym--> Anxious 