There is a cross relationship between concept A and concept B if and only if (1) the existing object belongs to both A and B; (2) The existing object belongs to A but not to B; (3) The existing object belongs to B but not A.
According to the above definition, which of the following options is the cross relationship between the two concepts of adding points?
According to the subject matter, paintings mainly include figure painting, flower and bird painting, landscape painting, etc; According to techniques, there are mainly meticulous painting and freehand painting