10043
Moreover , methomyl induced a significant increase of apoptosis in Drosophila S2 , HeLa and HEK293 cells in a concentration - and time - dependent manner , as determined by Urea PAGE DNA fragmentation analysis .
 Chemical: methomyl; Chemical: Urea
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: methomyl, Urea 
Answer:
 Chemical: methomyl; Chemical: Urea