8550
The response of M . spicatum and C . demersum to Se ( IV ) regarding chlorophylls was variable , however in the majority of cases , there was a trend of increasing the amount of chlorophylls , while in P . perfoliatus the amount of chlorophyll a decreased .
 Chemical: Se ( IV ); Chemical: chlorophylls; Chemical: chlorophylls; Chemical: chlorophyll a
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: Se ( IV ); Chemical: chlorophylls; Chemical: chlorophylls; Chemical: chlorophyll a