${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{a}re\text{t}\text{h}\text{e}\text{p}\text{r}\text{o}\text{v}\text{i}\text{n}\text{c}\text{e}\text{s}\text{a}\text{n}\text{d}\text{t}\text{e}\text{r}\text{r}\text{i}\text{t}\text{o}\text{r}\text{i}\text{e}\text{s}\text{t}\text{h}\text{a}\text{t}\text{h}\text{a}\text{v}\text{e}\text{t}\text{h}\text{e}\text{h}\text{i}\text{g}\text{h}\text{e}\text{s}\text{t}\text{n}\text{u}\text{m}\text{b}\text{e}\text{r}of\text{c}\text{o}\text{m}\text{m}\text{o}\text{n}-\text{l}\text{a}\text{w}\text{u}\text{n}\text{i}\text{o}\text{n}\text{s}\text{.}}$

Question $15$ options:

Ontario, Quebec and the Northwest Territories

Saskatchewan, Manitoba, and Nunavut

Quebec, Nunavut, the Northwest Territories and the Yukon

Alberta, Nunavut, and the Yukon