5573
These fits indicate the formation of three C ( 10 ) H ( 10 ) isomers ( trans - 1 , 3 - butadienylbenzene , 1 , 4 - dihydronaphthalene , 1 - methylindene ) , three C ( 9 ) H ( 8 ) isomers ( indene , phenylallene , 1 - phenyl - 1 - methylacetylene ) , and a C ( 8 ) H ( 8 ) isomer ( styrene ) .
 Chemical: C ( 10 ) H ( 10 ); Chemical: trans - 1 , 3 - butadienylbenzene; Chemical: 1 , 4 - dihydronaphthalene; Chemical: 1 - methylindene; Chemical: C ( 9 ) H ( 8 ); Chemical: indene; Chemical: phenylallene; Chemical: 1 - phenyl - 1 - methylacetylene; Chemical: C ( 8 ) H ( 8 ); Chemical: styrene
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: C ( 10 ) H ( 10 ); Chemical: trans - 1 , 3 - butadienylbenzene; Chemical: 1 , 4 - dihydronaphthalene; Chemical: 1 - methylindene; Chemical: C ( 9 ) H ( 8 ); Chemical: indene; Chemical: phenylallene; Chemical: 1 - phenyl - 1 - methylacetylene; Chemical: C ( 8 ) H ( 8 ); Chemical: styrene