Determine whether the following individual events are overlapping or​ non-overlapping. Then find the probability of the combined event. Drawing either a red ace or a red king on one draw from a regular deck of cards.
Choose the correct answer below​ and, if​ necessary, fill in the answer box to complete your choice. ​(Type an integer or a simplified​ fraction.)
A. The individual events are​ non-overlapping. The probability of the combined event is ___
B. The individual events are overlapping. The probability of the combined event is ___