In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[Q]: Soft money is the unlimited, unregulated money that has _ business influencing politics.
[A]: no


[Q]: Abdominal scars consist of _ to four half-inch incisions.
[A]: two


[Q]: Color space is how color is represented in _ dimensions.
[A]:
three