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A 30-year-old pharmacist suffered from acute allergic contact dermatitis due to 4-chloro-7-nitrobenzofurazan (NBD-Cl).
 adverse event: suffered 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: suffered 