9517
Identification of new modulators of p53 - p53 and p53 - Mdm2 interactions will be useful to achieve synergistic drug efficacy with currently used anti - tumor therapies .
 None
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:  
Answer:
 None