353121
If used in the cruise , VNAV causes an aircraft to climb or descend according to a vertical elements of a pre-programmed FMS ( flight management system ) flight plan .
 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