15058
Medical literature regularly reports on accidental poisoning in children after aspiration of combustibles such as lamp oils which usually contain hydrocarbons or rape methyl esters ( RMEs ) .
 Chemical: hydrocarbons; Chemical: methyl esters
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: hydrocarbons, methyl esters 
Answer:
 Chemical: hydrocarbons; Chemical: methyl esters