1763
Here we demonstrate that the nonsynonymous variation in TBX21 coding for replacement of histidine 33 with glutamine is associated with significant improvement in the PC ( 20 ) ( a measure of airway responsiveness ) of asthmatic children in a large clinical trial spanning 4 years .
 Anatomy: airway
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: airway