According to the Classification Error Matrix Below, How Many Training

Multiple Choice

According to the classification error matrix below, how many training pixels are omission errors and how many are commission errors with the urban class?
$\begin{array}{|l|l|l|l|l|}\hline & \text { Urban } & \text { Forest } & \text { Cropland } & \begin{array}{l}\text { Row } \\\text { Total }\end{array} \\\hline \text { Urban } & 7 & 2 & 1 & 10 \\\hline \text { Forest } & 2 & 25 & 8 & 35 \\\hline \text { Cropland } & 3 & 1 & 51 & 55 \\\hline \begin{array}{l}\text { Column } \\\text { Total }\end{array} & 12 & 28 & 60 & 100 \\\hline\end{array}$

A) 3, 5 (omission, commission)
B) 5, 3
C) 7, 12
D) 7, 10