You can easily and interactively change the color row state. First you select the target rows (i.e., that share the same response level) and then select the color. There are several ways to select rows. The Rows menu provides a Data Filter from which you can add the filter variable (i.e., response column) and then select target level. You can also select Color or Mark by Column command from the Rows menu. It will apply the default color, so you do not have to change anything after you select the response column.
There are other ways to assign color but they are more complex for more difficult cases.