With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: George Tuska was an artist.
text_B: Manifold System is a geographic information system -LRB- GIS -RRB- software package developed by Manifold Software Limited that runs on Microsoft Windows .. Windows. Microsoft Windows. GIS. GIS. geographic information system. geographic information system. Microsoft Windows. Microsoft Windows. Manifold System handles both vector and raster data , includes spatial SQL , a built-in Internet Map Server -LRB- IMS -RRB- , and other general GIS features .. GIS. GIS. Internet Map Server. Internet Map Server. Manifold System Release 8.00 was the first commercial product to include massively parallel GPGPU functionality utilizing NVIDIA GPUs , implemented within approximately 35 functions used in the raster transformation system .. Manifold System has an active user community with a mailing list and online forums .
not_related.