Seven persons, W, V, H, S, K, J and I, sit along a linear row and face in the north direction. Two persons sit between S and K. K sits at one of the extremes. One person sits between H and I such that H sits to the right of S. Neither H nor I sits at the extreme end seat. W sits immediate right of V. W does not sit at the extreme end. How many persons sit to the left of J?
V W I S H J K
Expansion cards are inserted into
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C, a programming language originally developed for developing