This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to shag dance
Learn to count " one-and-two, three-and-four, five-six.
" repeat until you know the eight-beat rhythm well. Here's what you need to know :
There are eight shag dance steps, each of which corresponds to a beat.

Choose from: [I] The low rhythms are three-beat, three-beat, three-beat, four-beat, four-beat, and five-beat. The high rhythms are five-beat, one-beat, and two-beat.. [II] The " one-and-two " and " three-and-four " steps should take about as much time to complete as the " five-six. " get some good shag dance music going, while you're at it.. [III] One step is steps, while the other half is steps. The verses in " are ten-or twelve-beat, four-on " are also march tunes.. [IV] " three " is the number one, as it's the girl's hop. Three places to put your feet, then two places to place your heels, then three places to place your toes, then your toes..
The answer is:
[II]