3580
Tests used to evaluate the changes in sexual behavior showed a significant decrease in sexual desire , sexual excitement phase ( erection ) , and frequency of sexual relations in the study group .
 Disease: decrease in sexual desire
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: decrease in sexual desire 
Answer:
 Disease: decrease in sexual desire