With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: George Cukor was a director.
text_B: Caldwell Peak is a peak 2 nmi north of Mount Terra Nova on Ross Island .. peak. summit ( topography ). Mount Terra Nova. Mount Terra Nova. Ross Island. Ross Island. The feature rises to about 1300 m , 1 nmi south of Oamaru Peak .. Oamaru Peak. Oamaru Peak. At the suggestion of P.R. Kyle , it was named by the Advisory Committee on Antarctic Names -LRB- 2000 -RRB- after David A. Caldwell , geologist , New Mexico Institute of Mining and Technology , who worked two field seasons on Mount Erebus -LRB- first one , 1986 -- 87 -RRB- ; completed M.S. thesis on lava flows at the Mount Erebus summit .. P.R. Kyle. P.R. Kyle. Advisory Committee on Antarctic Names. Advisory Committee on Antarctic Names. David A. Caldwell. David A. Caldwell. New Mexico Institute of Mining and Technology. New Mexico Institute of Mining and Technology. Mount Erebus. Mount Erebus
not_related.