1. Describe each of the following sets explicitly. Then determine how the sets are related to each other: which sets are subsets or proper subsets of each other. A={xezIIXI=*x} B={y62|(y)EN} C={nEZ|nZSn} 2. Give an example of three sets A, B and C and three sets D, E and F such that a)ABCandAEC b)DE.EEFandDF 3. Give an example of two sets 5 and T such that a) 5 CP(N) and |S| =4 b) T E P(N) and |T| = 4