Commercial bribery refers to the unfair competition behavior that an operator offers or promises to offer certain benefits to the counterpart, his staff or his agent for the purpose of excluding competitors in order to gain benefits in the business activities such as selling or buying goods or providing services.
By definition above, which of the following options is not a commercial bribery?
The alumni and distinguished guests of a certain school who attended the 60th anniversary of the school were presented with a box of nice gifts and invited to a sumptuous lunch