sentences:  At the following San Marino GP, Barrichello was injured in a practice accident and did not start the race that saw the death of Ayrton Senna.Andrea de Cesaris substituted for the still-banned Irvine at San Marino and at the subsequent Monaco Grand Prix where he finished in 4th place.Irvine returned at the Spanish Grand Prix and scored a point for 6th while Barrichello still appeared to suffer following his accident and the death of Senna, his countryman and idol.