4771
However , after 12 h of exposure , both J ( in ) ( Na ) and J ( out ) ( Na ) were also increased in both carp and goldfish , whereas only J ( out ) ( Na ) was increased in trout , leading to a net Na ( + ) loss .
 Chemical: Na; Chemical: Na; Chemical: Na; Chemical: Na ( + )
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: Na; Chemical: Na; Chemical: Na; Chemical: Na ( + )