(i)  Sun rises or Moon sets. (ii)  To apply for a driving licence, you should have a ration card or a passport. (iii)  All integers are positive or negative.

(i) x + y = y + x is true for every real numbers x and y. (ii) There exists real numbers x and y for which x + y = y + x.

(i)  There exists a number which is equal to its square. (ii)  For every real number x, x is less than x + 1. (iii)  There exists a capital for every state in India.

(i)  All rational numbers are real and all real numbers are not complex. (ii)  Square of an integer is positive or negative. (iii)  The sand heats up quickly in the Sun and does not cool down fast at night. (iv)  x = 2 ...