Gift would make you want to Thank. Treat is a type of Gift. Treat is related to Food. Food is related to Dip. 
Captain is related to Staff. Staff is a type of Symbol. Symbol is related to Equal. Equal is a synonym of Adequate. 
Thank <--CausesDesire-- Gift <--IsA-- Treat <--RelatedTo--> Food <--RelatedTo--> Dip 
Captain <--RelatedTo--> Staff --IsA--> Symbol <--RelatedTo--> Equal <--Synonym--> Adequate 