Multiple-Choice Questions: (Questions 7-9 have more than one correct answer. Circle the correct response 7. We define the following propositions as: [3 pts] . G:I like grape juice E: Grape juice is expensive . B: I will buy grape juice. Consider the sentence: "If I don't like grape juice and it is expensive, I will not buy grape juice Circle the correct propositions below that provide logical equivalent to the above sentence. A. (GV-E)-B BVGAE) D. -BA(GAE) 8. We define the following predicates: [3 pts] . C(x.y): y is the Child of x W(x): x Works at a grocery store Consider the statement "There is at least one person who has all of their children working at a grocery store." Circle the correct expressions below that provide accurate translations of this statement. B. 3x Vy (C(x, y)- W(y) C. Vy 3x (C(x, y) A W(y)) D. -Vx vy (C(x, y)-W(y))