 Complete the following phrase:  De Angelis was replaced at Lotus by Scotlands Johnny Dumfries after Senna vetoed Derek Warwick from joining the team, saying that Lotus could not run competitive cars for two top drivers at the same time. Senna allegedly pushed for his former flatmate and fellow Brazilian Maurício Gugelmin to join the team as a pure number two driver, but the teams major sponsor John Player  Sons JPS insisted on a British driver which led to the signing of Dumfries. Senna later admitted It was bad, bad. Until then I had a good relationship with Derek. Senna started the season well, coming second in Brazil behind the Williams-Honda of fellow countryman Nelson Piquet, and winning the 