18223
Biomarkers of Exposure and Effect in Human Lymphoblastoid TK6 Cells Following [ 13C2 ] - Acetaldehyde Exposure .
 Chemical: [ 13C2 ] - Acetaldehyde
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: [ 13C2 ] - Acetaldehyde 
Answer:
 Chemical: [ 13C2 ] - Acetaldehyde