291045
Other weight and drag saving measures included use of an all-moving ' V ' or ' Butterfly ' tail unit with two surfaces , set in a ' V ' configuration , providing stability and control in both pitch and yaw , in exchange for increased cost and complexity of the control systems and minor handling side effects , like slight pitching of the aircraft with application of rudder and vice versa .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None