${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{c}anbe\text{a}\text{f}\text{f}\text{e}\text{c}\text{t}\text{e}\text{d}by\text{d}\text{e}\text{f}\text{e}\text{c}\text{t}\text{s}\text{r}\text{e}\text{s}\text{u}\text{l}\text{t}\text{i}\text{n}\text{g}\text{f}\text{r}\text{o}\text{m}\text{h}\text{e}\text{r}\text{e}\text{d}\text{i}\text{t}\text{a}\text{r}\text{y}\text{f}\text{a}\text{c}\text{t}\text{o}\text{r}\text{s}\text{,}\text{s}\text{u}\text{r}\text{g}\text{e}\text{r}\text{y}\text{,}illness,\text{i}\text{n}\text{j}\text{u}\text{r}\text{y}\text{a}\text{n}\text{d}\text{m}\text{a}\text{n}\text{y}\text{o}\text{t}\text{h}\text{e}\text{r}circumstances.}$

Select one:

$a.$

Tangible objects

$b.$

Shape

$c.$

Weight

$d.$

Size