11322
From this, we identified a number of variations between the sequences, two of which were determined to be associated with a 50% decrease in CAT activity .
 protein: CAT
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: CAT 
Answer:
 protein: CAT