Space is a synonym of Interval. Interval is a synonym of Season. Season is related to Rain. Sprinkle is a type of Rain. 
Consumer is related to Product. Product is related to Use. Use is related to Drop. 
Space <--Synonym--> Interval <--Synonym--> Season <--RelatedTo--> Rain <--IsA-- Sprinkle 
Consumer <--RelatedTo--> Product <--RelatedTo--> Use <--RelatedTo--> Drop 