Celebrity is a synonym of Star. Star is related to Force. Drift is a type of Force. Drift is a synonym of Trend. 
Crowd is a type of Occupy. Pour is a type of Crowd. 
Celebrity <--Synonym--> Star <--RelatedTo--> Force <--IsA-- Drift <--Synonym--> Trend 
Occupy <--IsA-- Crowd <--IsA-- Pour 