4396
Sequential biological assays of IL - 1 , IL - 2 , TNF and PAF were performed during Ara - C infusion to ten patients , including the four who developed the syndrome .
 Chemical: Ara - C
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: Ara - C