6875
Additionally , 3 . 0 ppt --> 13 . 5 ppt shrimp were less sensitive to Cd ( 2 + ) than were 24 . 0 ppt --> 13 . 5 ppt shrimp ( p = 0 . 0013 ) .
 Chemical: Cd ( 2 + )
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: Cd ( 2 + )