11861
Sixteen out of 52 seropositive MS patients ( 30 . 8 % ) showed intrathecal synthesis of C . pneumoniae - specific IgG but only one of 43 seropositive controls ( 2 . 3 % ) .
 GENE: C . pneumoniae - specific IgG
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: C . pneumoniae - specific IgG 
Answer:
 GENE: C . pneumoniae - specific IgG