11172
The rate constants for dissociation of the enzyme - NADH complex ranged from 0 . 03 s ( - 1 ) ( 6000 mu M Mg ( 2 + ) ) to 0 . 30s ( - 1 ) ( 0 mu M Mg ( 2 + ) ) as determined by addition of excess NAD ( + ) to prevent re - association of NADH and resolving the real - time NADH fluorescence signal .
 Chemical: NADH; Chemical: Mg ( 2 + ); Chemical: Mg ( 2 + ); Chemical: NAD ( + ); Chemical: NADH; Chemical: NADH
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: NADH, Mg ( 2 + ), Mg ( 2 + ), NAD ( + ), NADH, NADH 
Answer:
 Chemical: NADH; Chemical: Mg ( 2 + ); Chemical: Mg ( 2 + ); Chemical: NAD ( + ); Chemical: NADH; Chemical: NADH