Practice problem

Frequency Table

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A Japanese flag (white red), a Swedish flag (blue yellow), a Thai flag (red white blue), a United States flag (red white blue), a Russian flag (white blue red), and a Brazillian flag (green, yellow, blue, white)

\begin{array}{cc} A&B\\ \begin{array}{c|c} \text{Category}&\text{Frequency}\\ \hline \text{Flags with 2 colors}&1\\ \text{Flags with 3 colors}&1\\ \text{Flags with 4 colors}&4\\ \end{array} & \begin{array}{c|c} \text{Category}&\text{Frequency}\\ \hline \text{Flags with 2 colors}&2\\ \text{Flags with 3 colors}&3\\ \text{Flags with 4 colors}&1\\ \end{array}\\ \\ C&D\\ \begin{array}{c|c} \text{Category}&\text{Frequency}\\ \hline \text{Flags with 2 colors}&2\\ \text{Flags with 3 colors}&4\\ \text{Flags with 4 colors}&0\\ \end{array} & \begin{array}{c|c} \text{Category}&\text{Frequency}\\ \hline \text{Flags with 2 colors}&3\\ \text{Flags with 3 colors}&2\\ \text{Flags with 4 colors}&1\\ \end{array} \end{array}

Pictured above are six different flags. What frequency table below correctly represents the number of colors in each flag ( $2, 3,$ or $4$ )?