Wonderful is derived from Wonder. you would Contemplate because Wonder. Contemplate requires Observe. 
Tail is related to Bottom. Bottom is the opposite of Pitcher. Pitcher is a type of Player. 
Wonderful --DerivedFrom--> Wonder <--MotivatedByGoal-- Contemplate --HasPrerequisite--> Observe 
Tail <--RelatedTo--> Bottom <--Antonym--> Pitcher --IsA--> Player 