Translate the following into predicate logic using the indicated letters

1) Only persons older than sixty-two are eligible for Social Security benefits. (O,E)

2) Oranges and lemons are citrus fruits. (O, L, C)

3) Some classes are boring and some are not. (C, B)

4) All politicians are liars. (p, L)

5)Not all students got an A in the class. (S, A, C)