9058
H ( 2 ) O ( 2 ) and H ( 2 ) O were observed in the gas phase as products of the OH reaction with ATD surface with yields of ( 10 +/- 3 ) and ( 98 +/- 25 ) % , respectively .
 Chemical: H ( 2 ) O ( 2 ); Chemical: H ( 2 ) O; Chemical: OH
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: H ( 2 ) O ( 2 ), H ( 2 ) O, OH 
Answer:
 Chemical: H ( 2 ) O ( 2 ); Chemical: H ( 2 ) O; Chemical: OH