15293
The urothelium plays a crucial role in integrating urinary bladder sensory outputs , responding to mechanical stress and chemical stimulation by producing several diffusible mediators , including ATP and , possibly , neurotrophin nerve growth factor ( NGF ) .
 Chemical: ATP
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ATP