Rolling is related to Stone. Stone is related to Substance. Substance is related to Crystal. Crystal is a synonym of Grain. 
Context is a type of Software. Gift is a type of Software. Gift is related to Reward. 
Rolling <--RelatedTo--> Stone <--RelatedTo--> Substance <--RelatedTo--> Crystal <--Synonym--> Grain 
Context --IsA--> Software <--IsA-- Gift <--RelatedTo--> Reward 