3808
Correlations were found between plasma IFN alpha and receptor Kd on monocytes of AIDS -GR (r = 0.77) and between IFN alpha and plasma cortisol in the same group (r = 0.74).
 cell type: monocytes; protein: IFN alpha; protein: IFN alpha; protein: plasma IFN alpha
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: monocytes, IFN alpha, IFN alpha, plasma IFN alpha 
Answer:
 cell type: monocytes; protein: IFN alpha; protein: IFN alpha; protein: plasma IFN alpha