Threat is related to Demand. Demand is related to Man. Man is related to Judge. Judge requires Observe. 
Eligible is similar to Legal. Legal is related to Contract. Contract is a synonym of Narrow. Narrow is related to River. 
Threat <--RelatedTo--> Demand <--RelatedTo--> Man <--RelatedTo--> Judge --HasPrerequisite--> Observe 
Eligible <--SimilarTo--> Legal <--RelatedTo--> Contract <--Synonym--> Narrow <--RelatedTo--> River 