With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Transformers: Revenge of the Fallen grossed $402.1 million in North America.
text_B: Appachan is a Malayalam term used by Christians in Kerala , predominantly , in reference to father , or grandfather or sometimes an elderly person .. Malayalam. Malayalam. Appachan may also refer to  :. Navodaya Appachan -LRB- Maliampurackal Chacko Punnoose , 1925 -- 2012 -RRB- , Indian film producer , director and entrepreneur. Navodaya Appachan. Navodaya Appachan. Swargachitra Appachan -LRB- a.k.a. Pinakkatt D. Abraham , active from 1987 -RRB- , Indian film producer and entrepreneur. Swargachitra Appachan. Swargachitra Appachan
not_related.