A Body in the Cottage

The doors were locked at eight. By half past, Olive was dead — so the killer is still inside.

Can stand / sit on: chairarmchairbenchrugbathtub

Solid — nobody there: plantbookshelffireplacesinktoilet

What the witnesses say

Quinnthe detective's cousin
“There was a bookshelf in her row. She was beside a plant.”

Milothe student
“There was a plant in his row.”

Hazelthe antique dealer
“She was beside the fireplace.”

Rufusthe fisherman
“There was a bookshelf in his column. There was a sink in his row.”

Yarathe doctor
“She was beside a sink.”

Olivethe victim
Found dead — alone in a room with the killer.

Exactly one person in every row and every column.
Nobody stands on solid furniture; chairs, sofas, beds and rugs are fine.
Every statement is true. “Beside” means the square directly next to it; north is up.
The victim was alone in a room with exactly one other person: the killer.

This is today's case — the answer appears here tomorrow. Solve it now.