you are likely to find Toilet in/at/on Bathroom. Toilet is related to Plunge. Plunge is related to Fix. Fix is related to Shot. 
Nurse is a type of Treat. Nurse is related to Hospital. Hospital is related to Admit. 
Bathroom <--AtLocation-- Toilet <--RelatedTo--> Plunge <--RelatedTo--> Fix <--RelatedTo--> Shot 
Treat <--IsA-- Nurse <--RelatedTo--> Hospital <--RelatedTo--> Admit 