Belong is related to Base. Base is related to Pitcher. 
Heat can cause/lead to Pain. Heat is related to Cook. Cook is related to Occupation. Sport is a type of Occupation. 
Belong <--RelatedTo--> Base <--RelatedTo--> Pitcher 
Pain <--Causes-- Heat <--RelatedTo--> Cook <--RelatedTo--> Occupation <--IsA-- Sport 