<s>[INST] Hugh has three buttons on his coat A, B, and C. He Fastens three buttons every morning. But this time he is in hurry and make an error of one button, he fastens button A and B correctly but incorrectly fastens button C. For Hugh, the correct order of fastening buttons is A-B-C. When Hugh incorrectly fastens a button C, probability of that C is fastened at position A, B or C is 1/3[/INST]