Curiosity is related to Question. Question is related to Information. 
Plane is a synonym of Airplane. Airplane is related to Fall. Fall is related to Consequence. Consequence is related to Laugh. 
Curiosity <--RelatedTo--> Question <--RelatedTo--> Information 
Plane <--Synonym--> Airplane <--RelatedTo--> Fall <--RelatedTo--> Consequence <--RelatedTo--> Laugh 