K-Nearest Neighbor

Training:

[
    [A 9 8 8 I]
    [B 2 1 2 III]
    [C 9 8 9 I]
    [D 8 9 9 II]
    [E 1 8 2 I]
    [F 9 8 8 III]
    [G 2 2 3 II]
]

For point:

[
    [H 5 7 9]
]

Euclidean:

Manhattan: