In each of the following, you are given two possible answers, labelled empty and non empty, respec- tively. Circle either empty or non empty; moreover, if you choose the answer labelled non empty, complete the sentence. a. Let L = {a" | n 0,n #3}. Then L+ \ L is... (i) empty: The set is empty. (ii) non empty: The set contains the string. b. Let L= {ab n 1}. Then L* \ L is ... (i) empty: The set is empty. (ii) non empty: The set contains the string. c. Let L = {x {a,b}* | |x| >3}. Then L+ \ L is ... (i) empty: The set is empty. (ii) non empty: The set contains the string. Activate Wir