Stroke is a synonym of Throw. Pepper entails/necessarily involves Throw. 
Rally is etymologically related to Rail. Rail is related to Pole. Pole is related to Flag. Flag is a type of Decorate. 
Stroke <--Synonym--> Throw <--Entails-- Pepper 
Rally --EtymologicallyRelatedTo--> Rail <--RelatedTo--> Pole <--RelatedTo--> Flag --IsA--> Decorate 