${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}is\text{a}\text{t}\text{y}\text{p}\text{e}of\text{r}\text{e}\text{l}\text{a}\text{t}\text{i}\text{o}\text{n}\text{s}\text{h}\text{i}\text{p}\text{b}\text{e}\text{t}\text{w}\text{e}\text{e}\text{n}\text{o}\text{n}\text{e}\text{e}\text{n}\text{t}\text{i}\text{t}\text{y}to\text{a}\text{n}\text{o}\text{t}\text{h}\text{e}\text{r}\text{e}\text{n}\text{t}\text{i}\text{t}\text{y}\text{.}}$

Group $of$ answer choices

One $to$ one

Many $to$ many

One $to$ many