food can be a source of an odor & touch is used for show aroma ->  smell can be used to detect food odors  sense is a kind of characteristic of an animal & touch is a mean of foolish -> smell is a kind of characteristic of some animals smell is a kind of characteristic of some animals  touch can be used to detect poison objects & smell is a kind of characteristic of some animals -> smell is used for finding food by some animals smell is used for finding food by some animals  smell is used for finding food by some animals & a rabbit is a mean of plant -> smell is used for finding food by foxes