3174
Within this group of patients , NK cell activity was significantly lower (45.6 +/- 16.1%) compared with the group with no HER-2/neu overexpression (57.3 +/- 11.0%).
 cell type: NK cell; protein: HER-2/neu
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: NK cell, HER-2/neu 
Answer:
 cell type: NK cell; protein: HER-2/neu