Attention is a synonym of Study. Motivation would make you want to Study. Motivation is a type of Condition. Condition is related to Boil. 
Warmth is related to Sensation. 
Attention <--Synonym--> Study <--CausesDesire-- Motivation --IsA--> Condition <--RelatedTo--> Boil 
Warmth <--RelatedTo--> Sensation 