22710
The two pilots are picked to go on a dangerous mission into the stratosphere , with a balloon , to test high altitude flight ; but , the friendship , and the engagement are off , before they get off the ground .
 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