Crew is related to People. People can be Dangerous. Dangerous is similar to Desperate. Desperate is related to Need. 
Arm is related to Upper. Upper is related to Edge. Edge is related to Corner. Corner is related to Description. 
Crew <--RelatedTo--> People --HasProperty--> Dangerous <--SimilarTo--> Desperate <--RelatedTo--> Need 
Arm <--RelatedTo--> Upper <--RelatedTo--> Edge <--RelatedTo--> Corner <--RelatedTo--> Description 