: outside the building / unspecified
,: chair
B: bathroom (zone interior)
E: entryway (zone interior)
F: front entry
I: interior
K: sink
L: kitchen (zone interior)
M: main bedroom (zone interior)
R: rooftop concrete (outside the apartment)
S: sofa
T: tv
b: bed
c: curtain
k: stove
m: mirror
o: toilet
t: table
w: window