1573
Immunofluorescence colocalization of both estrogen and progesterone receptors with eosinophil cationic protein showed that approximately 70% of positive cells were eosinophils .
 protein: estrogen; protein: eosinophil cationic protein; cell type: positive cells; protein: progesterone receptors; cell type: eosinophils
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: estrogen; protein: eosinophil cationic protein; cell type: positive cells; protein: progesterone receptors; cell type: eosinophils