Reason is related to Event. Event is related to Dream. Dream is related to Escape. Escape is related to Flee. 
Safe is a type of Hardware. Safe is related to Being. 
Reason <--RelatedTo--> Event <--RelatedTo--> Dream <--RelatedTo--> Escape <--RelatedTo--> Flee 
Hardware <--IsA-- Safe <--RelatedTo--> Being 