Approach is a type of Come. Come is related to Attend. Tend is a type of Attend. Tend is a synonym of Lean. 
Division is related to Class. Class is related to Part. Part is related to Include. Include is related to Share. 
Approach --IsA--> Come <--RelatedTo--> Attend <--IsA-- Tend <--Synonym--> Lean 
Division <--RelatedTo--> Class <--RelatedTo--> Part <--RelatedTo--> Include <--RelatedTo--> Share 