With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lewis Hamilton has had McLaren and Mercedes as racing teams.
text_B: The Grob G180 SPn is a low-wing twin-engined composite corporate jet projected by Grob Aerospace .. corporate jet. business jet. Grob Aerospace. Grob Aerospace. It is designed to land on both paved surfaces and unimproved runway capability -LRB- grass and gravel surfaces -RRB- , and is classed as `` commuter class '' under EASA CS 23 and FAA Part 23 regulations .. EASA. European Aviation Safety Agency. FAA. FAA. The second prototype was destroyed and the pilot killed after the aircraft crashed due to flutter in the elevators and tail-plane in 2006 .. After the insolvency of Grob Aerospace in 2008 , a continuation of the project was announced in 2009 , and revisited again in 2015 , given the success of the Pilatus PC-24 .. Grob Aerospace. Grob Aerospace. Pilatus PC-24. Pilatus PC-24. In September 2010 , DAHER subsidiary SOCATA announced that it would be evaluating the G180 SPn during the next few months as it considers acquiring the aircraft from Allied Aviation Technologies , which currently holds the rights to the aircraft following Grob Aerospace 's 2008 insolvency .. Grob Aerospace. Grob Aerospace. DAHER. DAHER. SOCATA. SOCATA. Allied Aviation Technologies. Allied Aviation Technologies
not_related.