25892
Here , we have found that binase selectively attacked human A549 alveolar adenocarcinoma cells to trigger an apoptotic response , whereas normal lung epithelial cells LEK were not affected by the ribonuclease .
 None
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:  
Answer:
 None