Read the following main point and sub$-$points for a speech. Which principle of outlining is violated with this example?

II$.$ A second attraction in Belize is cave kayaking.

A$.$ Begin with a twenty$-$minute hike through the rainforest. $\mathrm{}$

$1.$ The hike is not very strenuous.

B$.$ Then, you will board a two$-$person kayak through caves. $\mathrm{}$

$1.$ You will see many cave formations as you paddle through them.