3409
We evaluated cancer incidence through 2010 / 2011 ( NC / IA ) for 49 , 616 applicators , 53 % of whom reported ever using metolachlor .
 Disease: cancer; Chemical: metolachlor
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: cancer; Chemical: metolachlor