Question ID:PT27 S2 Q24 Passage:Six cars are to be arranged in a straight line, and will be numbered 1 through 6, in order, from the front of the line to the back of the line.  Each car is exactly one color:  two are green, two are orange, and two are purple.  The arrangement of cars is restricted as follows:No car can be the same color as any car next to it in line.Either car 5 or car 6 must be purple.Car 1 cannot be orange.Car 4 cannot be green. Stem:If one of the two orange cars is replaced by a third green car, and if the arrangement of cars in line must conform to the same restrictions as before, then which one of the following is a complete and accurate list of the cars each of which must be green? Correct Answer Choice:DChoice A:car 1 Choice B:car 3 Choice C:car 5 Choice D:car 1, car 3 Choice E:car 1, car 3, car 5