Thigh is a type of Limb. Stick is a type of Limb. Stick is related to Large. Large is related to Boil. 
Think requires Relax. one thing you do when you Awake is Think. 
Thigh --IsA--> Limb <--IsA-- Stick <--RelatedTo--> Large <--RelatedTo--> Boil 
Relax <--HasPrerequisite-- Think <--HasSubevent-- Awake 