4. If Sunshine likes to eat Mango and Banana, Sheena likes to eat Melon, Guava, Banana and Lolly Fruit, while Shaira likes to eat all of these fruits. Given said fruits or fruit product, what is its universal set? a. U = {Guava, Mango, Melon, Banana) b. U = (Guava, Banana, Melon, Banana) c. U = {Banana, Mango, Melon, Guava, Banana) d. U = {Banana, Guava, Mango, Banana, Melon}
