1279
The gene encoding the receptor for macrophage colony - stimulating factor 1 ( CSF - 1 ) , the c - fms protooncogene , is selectively expressed in immature and mature mononuclear phagocytes and trophoblasts .
 GENE: macrophage colony - stimulating factor 1; GENE: CSF - 1; GENE: c - fms protooncogene
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: macrophage colony - stimulating factor 1; GENE: CSF - 1; GENE: c - fms protooncogene