Running is related to Stretch. Stretch is related to Extended. Extended is a synonym of Extensive. Extensive is a synonym of Widespread. 
Controversy is a type of Dispute. Dispute is the opposite of Agreement. Agreement is related to Trade. 
Running <--RelatedTo--> Stretch <--RelatedTo--> Extended <--Synonym--> Extensive <--Synonym--> Widespread 
Controversy --IsA--> Dispute <--Antonym--> Agreement <--RelatedTo--> Trade 