24843
Trichostatin A protects against cisplatin - induced ototoxicity by regulating expression of genes related to apoptosis and synaptic function .
 Chemical: Trichostatin A; Chemical: cisplatin
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: Trichostatin A, cisplatin 
Answer:
 Chemical: Trichostatin A; Chemical: cisplatin