Community is related to Neighborhood. Neighborhood is related to Local. Local is the opposite of Fast. Faster is a form of Fast. 
Stream is a synonym of Series. Cycle is a type of Series. Cycle is related to Gentle. Gentle is related to Careful. 
Community <--RelatedTo--> Neighborhood <--RelatedTo--> Local <--Antonym--> Fast <--FormOf-- Faster 
Stream <--Synonym--> Series <--IsA-- Cycle <--RelatedTo--> Gentle <--RelatedTo--> Careful 