Portfolio is a type of Case. Case is related to Shell. Shell is a type of Gather. 
Bloody is related to Wound. you are likely to find Wound in/at/on Hospital. Hospital is related to Admission. Admission is related to Exam. 
Portfolio --IsA--> Case <--RelatedTo--> Shell --IsA--> Gather 
Bloody <--RelatedTo--> Wound --AtLocation--> Hospital <--RelatedTo--> Admission <--RelatedTo--> Exam 