25784
This study examines the effect of tomatidine on the migration and invasion of human lung adenocarcinoma A549 cell in vitro .
 Chemical: tomatidine
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: tomatidine 
Answer:
 Chemical: tomatidine