Bike is related to Handle. Handle is the opposite of Blade. Blade is related to Instrument. Instrument is related to Musical. 
Understanding is derived from Understand. Understand requires Think. Think is related to Thought. Thought is related to Imagination. 
Bike <--RelatedTo--> Handle <--Antonym--> Blade <--RelatedTo--> Instrument <--RelatedTo--> Musical 
Understanding --DerivedFrom--> Understand --HasPrerequisite--> Think <--RelatedTo--> Thought <--RelatedTo--> Imagination 