4024
Tumor regression was observed with 0 . 5 mg doxorubicin / kg .
 Disease: Tumor; Chemical: doxorubicin
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:
 Disease: Tumor; Chemical: doxorubicin