24919
RATIONALE : Rapid - response impulsivity , characterized by inability to withhold response to a stimulus until it is adequately appraised , is associated with risky behavior and may be increased in a state - dependent manner by norepinephrine .
 Chemical: norepinephrine
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: norepinephrine