1086
Cohorts 1 ( n = 2 ) and 2 ( n = 4 ) received 3 x 10 ( 11 ) gc kg ( - 1 ) , and cohort 3 ( n = 8 ) received 1 x 10 ( 12 ) gc kg ( - 1 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None