641
Short - latency reflex responses were evoked in the masseter and temporalis muscles by a stretch device with different velocities and displacements before , during , and after the pain .
 Disease: pain
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: pain 
Answer:
 Disease: pain