Seven Seas Mariner
Seven Seas Mariner is a cruise ship operated by Regent Seven Seas Cruises ( formerly Radisson Seven Seas Cruises ) . 
<triplet> Seven Seas Mariner <subj> cruise ship <obj> instance of <subj> Regent Seven Seas Cruises <obj> owned by <triplet> Regent Seven Seas Cruises <subj> cruise ship <obj> product or material produced