Which of the following describes a concordant pair of observations in the LOGISTIC procedure?

An observation with the event has an equal probability as another observation with the event. 

An observation with the event has a lower predicted probability than the observation without the event.                                                                                                                                                    

An observation with the event has an equal predicted probability as the observation without the event. 

An observation with the event has a higher predicted probability than the observation without the event