Which one of the following compounds is aromatic? 
Definitions:
Scatterplot
A type of graph used to display values for two variables for a set of data, showing the relationship between them.
Negative Correlation
A correlation between two variables where one's gain is the other's loss.
Negative Correlation
A relationship between two variables in which one variable increases as the other decreases, and vice versa.
Direct Correlation
A positive relationship between two variables such that as one variable increases, the other also increases.
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