5571
Our data suggest that the atomic hydrogen ( H ) , methyl ( CH ( 3 ) ) , and vinyl ( C ( 2 ) H ( 3 ) ) losses are open with estimated branching ratios of about 86 +/- 4 % , 8 +/- 2 % , and 6 +/- 2 % , respectively .
 Chemical: hydrogen; Chemical: H; Chemical: methyl; Chemical: CH ( 3 ); Chemical: vinyl; Chemical: C ( 2 ) H ( 3 )
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: hydrogen; Chemical: H; Chemical: methyl; Chemical: CH ( 3 ); Chemical: vinyl; Chemical: C ( 2 ) H ( 3 )