Yamagata Shinkansen
It provides service between Tokyo and Shinjō in Yamagata Prefecture over the tracks of the Tohoku Shinkansen and the Ōu Main Line . 
<triplet> Tokyo <subj> Tohoku Shinkansen <obj> connecting line <triplet> Shinjō <subj> Ōu Main Line <obj> connecting line <triplet> Tohoku Shinkansen <subj> Ōu Main Line <obj> connects with <triplet> Ōu Main Line <subj> Yamagata Prefecture <obj> located in the administrative territorial entity <subj> Tohoku Shinkansen <obj> connects with