Mathematics is related to Addition. Addition is related to Cream. Cream is related to Mate. 
one thing you do when you Compete is Win. Compete is a synonym of Contend. Contend is a synonym of Oppose. 
Mathematics <--RelatedTo--> Addition <--RelatedTo--> Cream <--RelatedTo--> Mate 
Win <--HasSubevent-- Compete <--Synonym--> Contend <--Synonym--> Oppose 