11736
The FA 18 : 2n - 6 may be considered a stress biomarker for PO ( 4 ) ( 3 - ) limitation and Cd stress in C . vulgaris .
 Chemical: PO ( 4 ) ( 3 - ); Chemical: Cd
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: PO ( 4 ) ( 3 - ); Chemical: Cd