Demonstration is related to Demonstrate. Demonstrate is a synonym of March. Mark is a form of March. Mark is related to Signature. 
Move is a type of Propose. Person wants (to) Move. Activist is a type of Person. 
Demonstration <--RelatedTo--> Demonstrate <--Synonym--> March <--FormOf-- Mark <--RelatedTo--> Signature 
Propose <--IsA-- Move <--Desires-- Person <--IsA-- Activist 