Case is related to Court. Court is related to Surface. 
Thigh is related to Leg. Leg is related to Running. Running is related to Panic. Panic is related to Sudden. 
Case <--RelatedTo--> Court <--RelatedTo--> Surface 
Thigh <--RelatedTo--> Leg <--RelatedTo--> Running <--RelatedTo--> Panic <--RelatedTo--> Sudden 