Accuracy is related to Time. Time is related to Passage. Passage is a type of Delivery. Delivery is a type of Birth. 
Bay is a type of Person. Bay can be used for Fishing. 
Accuracy <--RelatedTo--> Time <--RelatedTo--> Passage --IsA--> Delivery --IsA--> Birth 
Person <--IsA-- Bay --UsedFor--> Fishing 