Stalag I-F
Stalag I-F was a German World War II prisoner-of-war camp located just north of the town of Sudauen ( German name for Suwałki ) , incorporated into East Prussia after Nazi Germany invasion of Poland in 1939 ( now Suwałki , Poland ) . 
<triplet> Stalag I-F <subj> World War II <obj> conflict <subj> prisoner-of-war camp <obj> instance of <triplet> Suwałki <subj> Poland <obj> country