1868
EC - 50 values , as determined by sulforhodamine B assays , varied among the cell types and agents .
 Chemical: sulforhodamine B
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: sulforhodamine B 
Answer:
 Chemical: sulforhodamine B