 Complete the following phrase:  The late season announcement by Lotus meant that there were almost no seats left with one of the top teams McLaren, Ferrari and Williams, leaving Piquet with the unenviable possibility of not having a drive for 1990. However, the Benetton team had a seat become available when they decided not to retain fill-in driver Emanuele Pirro. After two lacklustre seasons at Lotus, Piquet was forced to sign an incentive based payment-by-results deal with Benetton, who had exclusive use of the factory Ford HB4 V8 engine. This saw Piquet return to something like his former top form in . Despite a handful of lacklustre performances and sometimes being outperformed by fast Italian teammate Alessandro Nannini who would tragically lose his right forearm in a helicopter crash following the 