Directions (next five questions) : Study the following information to answer the given questions.
Eight people E, F, G, H, W, X, Y and Z are sitting in two parallel rows containing four people each E, F, G and H are sitting in row-1 facing north and W, X, Y and Z are sitting in row-2 facing south (but not necessarily in the same order). Thus, each person sitting in row-1 faces another person sitting in row-2. Each of the two rows consists of one professor, one Leader, one Technician and one Doctor (but not necessarily in the same order.)