1102
Between 2 , 500 and 3 , 000 people picketed the CNN studios in Los Angeles while others at the Atlanta headquarters protested the cable network ' s coverage of the war for being biased toward the United States .
 studios: place; people: 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:
 studios: place; people: entity