Protect is related to Job. Job is related to Doctor. Doctor is related to Psychologist. Psychologist is a type of Worker. 
Camp is related to Night. Night is related to Dance. Dance is related to Ritual. 
Protect <--RelatedTo--> Job <--RelatedTo--> Doctor <--RelatedTo--> Psychologist --IsA--> Worker 
Camp <--RelatedTo--> Night <--RelatedTo--> Dance <--RelatedTo--> Ritual 