Об­ра­зуй­те от слова OFFICE од­но­ко­рен­ное слово так, чтобы оно грам­ма­ти­че­ски и лек­си­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

In 2006, the International Astronomical Union, the group of scientists who give objects in space their __________________ classification, introduced a set of conditions that would define a planet.