a person drinks from a mug on a bed
is the person drinking something
yes
is it on a mug
in a mug
is the mug on the bed
no
is the person on the bed
yes
what color is the mug
white
is the person alone
yes
can you tell what the person is drinking
no
is the person inside a room
a bedroom
is it daytime
can't tell
is there anything beside the bed
yes