An officer in a black uniform and hat stands to the left of a large structure with other officers in the background.
A group of officers are standing.
The officer is standing near a tall structure with other officers, therefore a group of officers are standing.
A GROUP OF OFFICERS STANDS NEXT TO THE LARGE STRUCTURE
"A group of officers are standing" is a rephrasing of "An officer in a black uniform and hat stands to the left of a large structure with other officers in the background".