Engineer is derived from Engine. Engine is a type of Instrument. Instrument is related to Horn. 
Chocolate is related to Mud. Mud is a type of Soil. Soil is related to Growing. Bean can be used for Growing. 
Engineer --DerivedFrom--> Engine --IsA--> Instrument <--RelatedTo--> Horn 
Chocolate <--RelatedTo--> Mud --IsA--> Soil <--RelatedTo--> Growing <--UsedFor-- Bean 