5635
Ostrich FITC - IgY behaved completely differently to horse Ig ' s ; only 1 h after injection it was possible to observe small brightly green scarce vesicles in vascular endothelium of arteries , interstitial kidney capillaries between nephron tubules and were also scarce in glomeruli endothelium ; FITC - IgY appeared only in hepatic sinusoids in the liver .
 Chemical: FITC; Chemical: FITC
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: FITC, FITC 
Answer:
 Chemical: FITC; Chemical: FITC