846
Enraged at the idea of ever becoming the Doctor 's ally , the Master shoots Missy with his laser screwdriver , ostensibly disabling her ability to regenerate and killing her .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None