Cell is related to Stream. you are likely to find Stream in/at/on Wilderness. you are likely to find River in/at/on Wilderness. Lay is a type of River. 
Demonstration is related to Sit. Sit is related to Protest. Protest is related to Statement. Statement is a type of Fact. 
Cell <--RelatedTo--> Stream --AtLocation--> Wilderness <--AtLocation-- River <--IsA-- Lay 
Demonstration <--RelatedTo--> Sit <--RelatedTo--> Protest <--RelatedTo--> Statement --IsA--> Fact 