${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}is\text{a}\text{m}\text{e}\text{t}\text{h}\text{o}\text{d}in\text{w}\text{h}\text{i}\text{c}\text{h}\text{s}\text{a}\text{l}\text{e}\text{s}\text{p}\text{e}\text{o}\text{p}\text{l}\text{e}\text{f}\text{u}\text{r}\text{n}\text{i}\text{s}\text{h}\text{t}\text{h}\text{e}\text{s}\text{t}\text{i}\text{m}\text{u}\text{l}\text{i}(words\text{a}\text{n}\text{d}\text{a}\text{c}\text{t}\text{i}\text{o}\text{n}\text{s})to\text{p}\text{r}\text{o}\text{d}\text{u}\text{c}\text{e}\text{t}\text{h}\text{e}\text{d}\text{e}\text{s}\text{i}\text{r}\text{e}\text{d}\text{r}\text{e}\text{s}\text{p}\text{o}\text{n}\text{s}\text{e}(a\text{c}\text{u}\text{s}\text{t}\text{o}\text{m}\text{e}\text{r}\text{p}\text{u}\text{r}\text{c}\text{h}\text{a}\text{s}\text{e}).}$

Question $15$ options:

Stimulus response selling

Mental states selling

Need satisfaction selling

Problem solving selling