The category "<create_operation-gapsout_null-gapsin_null>" can be expressed as follows:

<create_operation-gapsout_null-gapsin_null>

<coordinates-pl> are <point_name>

<coordinates-sing> is <point_name>

<create_area>

<create_item>

<create_point-gapsout_null-gapsin_null>

<create_unit-gapsout_null-gapsin_null>

<point_name> is <coordinates>

<point_name> is at <coordinates>