you are likely to find Spit in/at/on Mouth. Cold would make you want to Spit. Cold is related to Drink. Drink is related to Better. 
Impulse is a synonym of Urge. Preach is a type of Urge. 
Mouth <--AtLocation-- Spit <--CausesDesire-- Cold <--RelatedTo--> Drink <--RelatedTo--> Better 
Impulse <--Synonym--> Urge <--IsA-- Preach 