c$.$ Consider the same narrative as described in the beginning. Add an intermediate error event to account for the possibility that the coffee the customer ordered is brewing and will not be ready for $5$ minutes. When that happens, the Starbucks barista asks the customer if he$/$she wants to wait or wants another coffee.

c$1.$ Which of the following is used to represent an intermediate error event?

multiple choice $1$

Place the intermediate error symbol on the perimeter of the task

Use a gateway after testing whether coffee is ready

Add a circular arrow to the symbol showing that the process repeats

Add an intermediate timer event showing that the process is delayed

None of the choices are correct.

c$2.$ Which of the following partial diagrams best models the described features?