Question: HDMS Hvidbjørnen is what class of ocean patrol vessel, also called Stanflex 3000, belonging to the Royal Danish Navy?
Sentence (from "Thetis-class ocean patrol vessel"): The "Thetis"-class ocean patrol vessels or ocean patrol frigates, also called Stanflex 3000, is a class of large patrol vessels built for the Royal Danish Navy.
Relevant evidence: Yes