 Complete the following phrase:  The McLaren MP47A was McLaren Internationals Formula One entry for the season, and a follow-up to their successful a hrefMcLaren20MP46MP46a from . The Williams-Renault combination was getting faster and more reliable and became a formidable challenger to McLarens domice. McLaren used the MP46 chassis, now designated MP46B for slightly modified front wing aerodynamics, for the first two races of 1992. The all-new MP47A was expected for the Spanish Grand Prix, the fourth race of the year. However, due to Williams speed in pre-season testing as well as their domice of the first two rounds of the season, McLaren team principal Ron Dennis made the decision to bring the car out one race early, at the 