Offensive is related to Guard. Reward is etymologically related to Guard. Reward is related to Place. Bed is a type of Place. 
Body is related to Form. Form is a synonym of Produce. Elaborate is a type of Produce. 
Offensive <--RelatedTo--> Guard <--EtymologicallyRelatedTo-- Reward <--RelatedTo--> Place <--IsA-- Bed 
Body <--RelatedTo--> Form <--Synonym--> Produce <--IsA-- Elaborate 