2002
Animals treated only with 5 - FU showed significant deficits in their ability to carry out the OLR task but co administration of Fluoxetine improved their performance .
 Chemical: 5 - FU; Chemical: Fluoxetine
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:
 Chemical: 5 - FU; Chemical: Fluoxetine