6751
Differentiation of silver , gold , aged and extra - aged tequila using 1 - propanol , ethyl acetate , 2 - methyl - 1 - propanol , 3 - methyl - 1 - butanol and 2 - methyl - 1 - butanol and furan derivatives like 5 - ( hydroxymethyl ) - 2 - furaldehyde and 2 - furaldehyde has been carried out .
 Chemical: silver; Chemical: 1 - propanol; Chemical: ethyl acetate; Chemical: 2 - methyl - 1 - propanol; Chemical: 3 - methyl - 1 - butanol; Chemical: 2 - methyl - 1 - butanol; Chemical: furan; Chemical: 5 - ( hydroxymethyl ) - 2 - furaldehyde; Chemical: 2 - furaldehyde
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: silver, 1 - propanol, ethyl acetate, 2 - methyl - 1 - propanol, 3 - methyl - 1 - butanol, 2 - methyl - 1 - butanol, furan, 5 - ( hydroxymethyl ) - 2 - furaldehyde, 2 - furaldehyde 
Answer:
 Chemical: silver; Chemical: 1 - propanol; Chemical: ethyl acetate; Chemical: 2 - methyl - 1 - propanol; Chemical: 3 - methyl - 1 - butanol; Chemical: 2 - methyl - 1 - butanol; Chemical: furan; Chemical: 5 - ( hydroxymethyl ) - 2 - furaldehyde; Chemical: 2 - furaldehyde