Who is your bet to win Season 4?

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The father and daughter Indonesian team, the Filipino Riches and the Singaporean girls are battling it out in the current season. I admit I am biased for the Riches as they represent my country. They are a strong team (literally) but I remember Rovilson and Mark who won a lot of pit stops but failed in the final leg. I hope they don't follow the same path. What about you, who do you think will win and why?