36833
While earlier computers using this form factor only incorporate monochrome ( " green screen " ) displays , the base SX-64 unit features a color cathode ray tube ( CRT ) and one integrated 1541 floppy disk drive .
 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