23481
In the Netherlands , three PCs showed significant correlations with geography , distinguishing between : ( 1 ) North and South ; ( 2 ) East and West ; and ( 3 ) the middle - band and the rest of the country .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None