702
Monday ' s incursion by U . S . armor was the second , but appeared to be much heavier .
 U . S: attacker; armor: instrument
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: attack 
  Option: victim, attacker, place, target, instrument 
Text: {0} 
Answer:
 U . S: attacker; armor: instrument