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They showed significantly more rapid improvement of motor function in the first week following hemorrhage and better memory retention in the passive avoidance test .
 Disease: hemorrhage
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: hemorrhage 
Answer:
 Disease: hemorrhage