With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sean Spicer claimed that the press had reported the number of spectators on purpose.
text_B: The Water Integrator was an early analog computer built in the Soviet Union in 1936 .. analog computer. analog computer. Soviet Union. Soviet Union. It functioned by careful manipulation of water through a room full of interconnected pipes and pumps .. water. water. The water level in various chambers -LRB- with precision to fractions of a millimeter -RRB- represented stored numbers , and the rate of flow between them represented mathematical operations .. water. water. millimeter. millimeter. This machine was capable of solving non-homogeneous differential equations .. Water analog computers were used in the Soviet Union until the 1980s for large-scale modelling .. Soviet Union. Soviet Union
not_related.