The correct answer is ticket sales to events, which are not a typical source of government revenue. In comparison, personal income tax, customs, and corporate income taxes are all significant sources of revenue for governments. Therefore, ticket sales can be considered the outlier in this list. ;
The chosen option is A. Ticket sales to events, as they are not a conventional source of government revenue compared to personal income tax, customs, and corporate income taxes. These taxes play vital roles in funding public services and are implemented widely by governments.
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