Future is related to Fate. Fatal is derived from Fate. Aids can be Fatal. 
Thread is related to Silk. Silk is related to Rich. Rich is similar to Productive. 
Future <--RelatedTo--> Fate <--DerivedFrom-- Fatal <--HasProperty-- Aids 
Thread <--RelatedTo--> Silk <--RelatedTo--> Rich <--SimilarTo--> Productive 