$(4$ MARKS$)$

$($a$)$ Consider the diagram below. It shows labelled observations from three classes, class "Blue Circle", class "Red Triangle" and class "Yellow Star". It also shows an unlabelled observation depicted by an $"x".$ Note: the dashed circles are a visual aid, to help show distance.

Using K$-$Nearest Neighbours classification, which class is the unlabelled observation assigned to when;

i$.K=3$

ii$.K=9$