2119
Evaluation by postal questionnaires , and pelvic radiography of 78 HL - A 27W - positive blood donors selected from a group of apparently healthy subjects revealed 14 who satisfied the criteria for definite ankylosing spondylitis .
 Disease: ankylosing spondylitis
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities: ankylosing spondylitis 
Answer:
 Disease: ankylosing spondylitis