Size is related to Proportion. Proportion is a synonym of Balance. Balance is a synonym of Clear. Clear is related to Distinct. 
Study is related to Degree. Degree is a synonym of Grade. Grade is related to Course. Workshop is a type of Course. 
Size <--RelatedTo--> Proportion <--Synonym--> Balance <--Synonym--> Clear <--RelatedTo--> Distinct 
Study <--RelatedTo--> Degree <--Synonym--> Grade <--RelatedTo--> Course <--IsA-- Workshop 