With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Fujitsu iPAD is a handheld device released by Fujitsu in 2002.
text_B: Oceanography -LRB- compound of the Greek words ωκεανος meaning `` ocean '' and γραφω meaning `` write '' -RRB- , also known as oceanology , is the study of the physical and the biological aspects of the ocean .. Greek. Greek language. ocean. ocean. It is an Earth science covering a wide range of topics , including ecosystem dynamics ; ocean currents , waves , and geophysical fluid dynamics ; plate tectonics and the geology of the sea floor ; and fluxes of various chemical substances and physical properties within the ocean and across its boundaries .. ocean. ocean. Earth science. Earth science. ecosystem. ecosystem. waves. Wind wave. geophysical fluid dynamics. geophysical fluid dynamics. plate tectonics. plate tectonics. geology. geology. These diverse topics reflect multiple disciplines that oceanographers blend to further knowledge of the world ocean and understanding of processes within  : astronomy , biology , chemistry , climatology , geography , geology , hydrology , meteorology and physics .. ocean. ocean. world ocean. world ocean. astronomy. astronomy. biology. biology. chemistry. chemistry. climatology. climatology. geography. geography. geology. geology. hydrology. hydrology. meteorology. meteorology. physics. physics. Paleoceanography studies the history of the oceans in the geologic past .. Paleoceanography. Paleoceanography
not_related.