Ill is similar to Hostile. Hostile is related to Violent. Violent is related to Army. 
Elevator can be used for Transport. Transport is related to Swim. Swim is related to Sink. 
Ill <--SimilarTo--> Hostile <--RelatedTo--> Violent <--RelatedTo--> Army 
Elevator --UsedFor--> Transport <--RelatedTo--> Swim <--RelatedTo--> Sink 