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In D ( 2 ) O , the order of ion ability to induce caseinate precipitation was Ba ( 2 + ) > Ca ( 2 + ) > Sr ( 2 + ) > Mg ( 2 + ) .
 Chemical: D ( 2 ) O; Chemical: Ba ( 2 + ); Chemical: Ca ( 2 + ); Chemical: Sr ( 2 + ); Chemical: Mg ( 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: D ( 2 ) O; Chemical: Ba ( 2 + ); Chemical: Ca ( 2 + ); Chemical: Sr ( 2 + ); Chemical: Mg ( 2 + )