1009
METHODS : We studied 9 patients with hypersensitivity to P and N with or without associated reactions to classic NSAIDs .
 Disease: hypersensitivity; Chemical: P; Chemical: N
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: hypersensitivity; Chemical: P; Chemical: N