19877
Additionally , a structural model of the phospho - WW obtained by molecular dynamics simulation and energy minimization suggests that the phosphate moiety of phospho - S16 could compete with the phospho - substrate .
 Chemical: phospho; Chemical: phosphate; Chemical: phospho; Chemical: phospho
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: phospho, phosphate, phospho, phospho 
Answer:
 Chemical: phospho; Chemical: phosphate; Chemical: phospho; Chemical: phospho