Complex sentence: The HP ENVY series is a line of luxury ultraportable laptops manufactured and sold by Hewlett-Packard, which was launched on October 18,2009 as two models, the ENVY 13 and the ENVY 15.
Split into simpler sentences: The HP ENVY series is a line of luxury ultraportable laptops manufactured and sold by Hewlett-Packard. The ENVY line was first launched on October 18,2009 as two models, the ENVY 13 and the ENVY 15.