26777
Zinc Promotes the Death of Hypoxic Astrocytes by Upregulating Hypoxia - Induced Hypoxia - Inducible Factor - 1alpha Expression via Poly ( ADP - ribose ) Polymerase - 1 .
 Chemical: Zinc; Chemical: Poly ( ADP - ribose )
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Zinc, Poly ( ADP - ribose ) 
Answer:
 Chemical: Zinc; Chemical: Poly ( ADP - ribose )