BOTH INTERNATIONAL & INLAND A lantern combining the sidelights and stern light MAY be shown on a __________.

Correct Answer: Option B — 6-meter vessel under oars

COLREGS Rule 25(d)(ii) permits vessels under 7 meters in length, including small vessels under oars, to exhibit a combined lantern housing sidelights and stern light as an exception due to their extremely limited physical size and electrical capacity.