21485
Deaggregation of UDD in the presence of oleic acid / octane followed by dispersion in light mineral oil and evaporative removal of octane gives ND . oleic acid : mineral oil dispersions exhibiting 11 % thermal conductivity enhancement at a ND loading of 1 . 9 vol % .
 Chemical: oleic acid; Chemical: octane; Chemical: octane; Chemical: oleic acid
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: oleic acid, octane, octane, oleic acid 
Answer:
 Chemical: oleic acid; Chemical: octane; Chemical: octane; Chemical: oleic acid