909
Significant obsessive - compulsive behavior ensued but diminished over several weeks when methylphenidate was replaced by fluvoxamine .
 Disease: obsessive - compulsive behavior; Chemical: methylphenidate; Chemical: fluvoxamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: obsessive - compulsive behavior; Chemical: methylphenidate; Chemical: fluvoxamine