7115
To investigate the effect of treatment with a pan anti gamma/delta antibody , lymphocytes were incubated for 3 hr with the antibody, and then interleukin (IL)-10 , IL-12 and progesterone -induced blocking factor ( PIBF ) expression (by immuno-cytochemistry ) as well as natural killer (NK) cell activity were determined.
 protein: anti gamma/delta antibody; protein: IL-12; protein: interleukin (IL)-10; cell type: lymphocytes; protein: PIBF; cell type: natural killer (NK) cell; protein: progesterone -induced blocking factor
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: anti gamma/delta antibody, IL-12, interleukin (IL)-10, lymphocytes, PIBF, natural killer (NK) cell, progesterone -induced blocking factor 
Answer:
 protein: anti gamma/delta antibody; protein: IL-12; protein: interleukin (IL)-10; cell type: lymphocytes; protein: PIBF; cell type: natural killer (NK) cell; protein: progesterone -induced blocking factor