1892
We used expression cloning to identify interleukin - 6 ( IL - 6 ) as one factor that suppressed growth of a pre - B - cell variant line , 1A9 - M .
 GENE: interleukin - 6; GENE: IL - 6
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: interleukin - 6; GENE: IL - 6