Competition unfairly run with incorrect answer being selected

A competition was run last week on their Facebook page. The question to enter was 'what colour is the super car?'. 2 individuals entered saying Silver, as there was only 1 super car in the video, however Wesbank has decided that an AMG GT is not a super car and a Mustang 'muscle car/sports coupe' is a super car. The competition was poorly run and it is unfair that they have went against and decide what the answer should be when in fact the question was clear and there is only 1 super car visible in the video. It is also not correct in saying that a Mustang is a super car. The only 2 correct entries should have won tickets as 2 participants with correct answers were supposed to be randomly selected. In this case, 2 participants with incorrect answers have received the tickets.