With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The fifth president of Iraq was Saddam Hussein
text_B: Proteus is the name of the multimission platform satellite developed by CNES and Aerospatiale Satellite Division -LRB- now Thales Alenia Space -RRB- in France .. CNES. CNES. Aerospatiale. Aerospatiale. Thales Alenia Space. Thales Alenia Space. Category  : Artificial satellites orbiting Earth. Category  : Space observatories. Category  : Satellites of France
not_related.