With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The 2000 Football League Cup Final was played in London on a Wednesday.
text_B: Mesomelaena is a genus of sedges .. genus. genus. It has 5 known species , all endemic to Western Australia .. Species  :. Mesomelaena graciliceps -LRB- C.B.Clarke -RRB- K.L.Wilson. Mesomelaena graciliceps. Mesomelaena graciliceps. Mesomelaena preissii Nees. Nees. Nees. Mesomelaena preissii. Mesomelaena preissii. Mesomelaena pseudostygia K.L.Wilson. Mesomelaena pseudostygia. Mesomelaena pseudostygia. Mesomelaena stygia -LRB- R.Br . -RRB-. Mesomelaena stygia. Mesomelaena stygia. Nees. Nees. Nees. Mesomelaena tetragona -LRB- R.Br . -RRB-. Mesomelaena tetragona. Mesomelaena tetragona. Benth .. - Semaphore Sedge
not_related.