Complex sentence: The third (and final) practice session started off with a morning sleet shower with Anthony Davidson in Toyota's No.5 entry driving off the circuit at Luffield turn and later aquaplaned backwards off the track into the Chapel corner gravel trap.
Split into simpler sentences: The third (and final) practice session started off with a morning sleet shower and Anthony Davidson in Toyota's No.5 entry drove off the circuit at Luffield turn. Davidson later aquaplaned backwards off the track and into the Chapel corner gravel trap.