Which of these matrices is a zero matrix of size 2×32 \times 32×3?
(0000)\begin{pmatrix} 0 & 0 \\ 0 & 0 \end{pmatrix}(0000)
(000000)\begin{pmatrix} 0 & 0 & 0 \\ 0 & 0 & 0 \end{pmatrix}(000000)
(000000)\begin{pmatrix} 0 & 0 \\ 0 & 0 \\ 0 & 0 \end{pmatrix}000000
(111111)\begin{pmatrix} 1 & 1 & 1 \\ 1 & 1 & 1 \end{pmatrix}(111111)