6182
Indeed , significant level of CAT activity was observed in human lung adenocarcinoma ( A549 - 1 ) cells which had been incubated with a complex of T7 RNA polymerase , pT7 - EMC - CAT DNA and DC - chol cationic liposomes .
 GENE: CAT; GENE: T7 RNA polymerase; GENE: pT7 - EMC - CAT DNA
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: CAT, T7 RNA polymerase, pT7 - EMC - CAT DNA 
Answer:
 GENE: CAT; GENE: T7 RNA polymerase; GENE: pT7 - EMC - CAT DNA