1773
tens of thousands of college and high school students stage antiwar protests on campuses yesterday from coast - to - coast .
 coast: place; coast: place; students: entity
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: demonstrate 
  Option: entity, place 
Text: {0} 
Answer:
 coast: place; coast: place; students: entity