1168
While a lower systemic steroid dosage may have been the provoking factor, we feel that an adverse reaction to oleic acid, a dispersing agent in the aerosol freon vehicle, is a strong possibility.
 adverse event: to 
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: to 