Complex sentence: At the start of his 37th lap Bernhard reported a front-left puncture to his pit crew after driving over debris and had difficulty turning into the track's right-hand turns and fell to fourth place behind di Grassi and Tréluyer.
Split into simpler sentences: At the start of his 37th lap Bernhard reported a front-left puncture to his pit crew after driving over debris. He had difficulty turning into the track's right-hand turns and fell to fourth place behind di Grassi and Tréluyer.