4252
BACKGROUND - - Platelet activating factor ( PAF ) has been implicated in the pathogenesis of airway hyperresponsiveness in asthma .
 GENE: Platelet activating factor; GENE: PAF
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Platelet activating factor; GENE: PAF