760
The dose - response relationship , if any , of thalidomide for renal cell carcinoma is unclear .
 Chemical: thalidomide; Disease: renal cell carcinoma
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: thalidomide; Disease: renal cell carcinoma