21878
Interestingly , all the concentrations of soluble sugar , soluble protein and ascorbate in mild Fe - deficient treatments were higher than Fe - sufficient treatments .
 Chemical: ascorbate; Chemical: Fe; Chemical: Fe
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: ascorbate, Fe, Fe 
Answer:
 Chemical: ascorbate; Chemical: Fe; Chemical: Fe