Non-reducing, because one/both of the rings can open to expose a free ketone group

Non-reducing, because neither of the rings can open to expose a free aldehyde group

Reducing, because one/both of the rings can open to expose a free ketone group

Non-reducing, because one/both of the rings can open to expose a free aldehyde group

Non-reducing, because neither of the rings can open to expose a free ketone group

Reducing, because neither of the rings can open to expose a free aldehyde group

Reducing, because neither of the rings can open to expose a free ketone group

Reducing, because one/both of the rings can open to expose a free aldehyde group

Cannot be determined from the structure shown