With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Geraldine Chaplin portrayed Tonya in Doctor Zhivago.
text_B: Shalimar Works -LRB- 1980 -RRB- Ltd. is a public sector shipbuilding company of West Bengal , India .. West Bengal. West Bengal. India. India. It owns a small shipyard on the right bank of the Hooghly River at Shibpur , Howrah .. Hooghly River. Hooghly River. Shibpur. Shibpur. Howrah. Howrah. The origin of shipyard can be traced back to 1885 .
not_related.