Danger is related to Alarm. Alarm is related to Morning. Morning is related to Sunlight. 
Oil is related to Raw. Raw is related to Wood. Wood is related to Structure. Dam is a type of Structure. 
Danger <--RelatedTo--> Alarm <--RelatedTo--> Morning <--RelatedTo--> Sunlight 
Oil <--RelatedTo--> Raw <--RelatedTo--> Wood <--RelatedTo--> Structure <--IsA-- Dam 