this is a clock
this is a window
the building is made of stone
this is a metallic handle
this is a building
the building is tall
this is the sky
the sky is blue in color
the sky has clouds
the walls are grey in color
part of a lower window
part of an upper window
part of a window's frame
one big roman clock
part of another roman clock
part of the window handle
part of the roof of the tower
inner part of a wall
a ventilation on the tower
part  of a detail  on the tower
this is the window handle
the window is made of glass
the window pane is white in color
these are some grills
the grills are metallic
this is a tall building
the building has a clock
the sky is blue in color
the sky is full of clouds
this is a church
this is a clock on the wall
the church is tall
the church has black windows
these are grills beside the window
the window is clear
the walls are of stone
the clock is white in color
the roof is black in color
Clock on the building.
Windows on the tower.
Window pane on the wall.
Roof of the tower.
Gray building outside window.
Blue sky in the background.
Open doors on tower.
Knob to open the window.
White clock with black hands.
white clouds in blue sky.

Objects:
clock
window
building
handle
sky
clouds
walls
part
part
part
frame
windows
grill
roof
tower
walls
background
doors
open
hands

Attributes:
name: clock
attrs: roman
big
white
name: window
attrs: clear
name: building
attrs: grey
stone
tall
name: handle
attrs: metallic
name: sky
attrs: blue
name: clouds
attrs: white
name: walls
attrs: grey
stone
name: part
name: frame
name: windows
attrs: black
name: grill
name: roof
attrs: black
name: tower
name: background
name: doors
attrs: open
name: open
name: hands
attrs: black

Contrastive attributes: