1054
Painful neutrophilic skin lesions were observed in two children receiving granulocyte colony-stimulating factor (G-CSF) for treatment of idiopathic neutropenia.
 adverse event: observed 
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: observed 