Think is related to Realize. Realize is a synonym of Gain. Gain is related to Wealth. Wealth is related to Earn. 
Career is related to Profession. Profession is related to Choice. Favorite is a type of Choice. Favorite is a form of Favor. 
Think <--RelatedTo--> Realize <--Synonym--> Gain <--RelatedTo--> Wealth <--RelatedTo--> Earn 
Career <--RelatedTo--> Profession <--RelatedTo--> Choice <--IsA-- Favorite --FormOf--> Favor 