23733
Structural models for the primary strength and durability - giving reaction product in modern cements , a calcium ( alumino ) silicate hydrate gel , have previously been based solely on non - cross - linked tobermorite structures .
 Chemical: calcium ( alumino ) silicate; Chemical: tobermorite
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: calcium ( alumino ) silicate, tobermorite 
Answer:
 Chemical: calcium ( alumino ) silicate; Chemical: tobermorite