14319
Recombinant 6mer + BSP protein , combining six repeats of the consensus sequence for Nephila clavipes dragline ( 6mer ) and bone sialoprotein sequence ( BSP ) , shows good support for cell viability and induces the nucleation of hydroxyapatite and tricalcium phosphate during osteoblast in vitro culture .
 Chemical: hydroxyapatite; Chemical: tricalcium phosphate
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: hydroxyapatite, tricalcium phosphate 
Answer:
 Chemical: hydroxyapatite; Chemical: tricalcium phosphate