${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}\text{a}\text{r}\text{e}\text{e}\text{v}\text{e}\text{n}\text{t}\text{s}\text{t}\text{h}\text{a}\text{t}\text{a}\text{l}\text{t}\text{e}\text{r}\text{t}\text{h}\text{e}\text{n}\text{o}\text{r}\text{m}\text{a}\text{l}\text{f}\text{l}\text{o}\text{w}of\text{e}\text{x}\text{e}\text{c}\text{u}\text{t}\text{i}\text{o}\text{n}in\text{t}\text{h}\text{e}\text{s}\text{y}\text{s}\text{t}\text{e}\text{m}\text{.}}$

Group $of$ answer choices

Interleaved actions

Underflow events

Exceptions

Interrupts