The driver of this car wishes to drive straight on but the vehicles behind want to turn right. What must this driver do?

Explanation
Any vehicle placed in a lane reserved for turn right, must turn if the green arrow of the traffic light switches on.
But if he wants to go straight and the traffic light is red he needs to stop.
In this situation, it's necessary to bear in mind that if a car behind us wants to turn right, and we stop to go straight, we could disrupt him so we'll need to turn right.
Be careful, this is a tricky question.
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