The question idea is cool, but might I make a sugestion. Get more milage out of a question with a tad more code. Say you have a question,
What color is an orange?
Now say you have 3 categories of answers for this question. With some basic css you could position some instructions hard for a bot to read. Like
Type out the second word in the question
Answer the question
what is the 16th letter in this sentence.
Now you have 3 answers for one question.
The instructions are text in a
PHP generates a random string to go into the "id" attriburte. Then generates a css blurb for that name. You could even move the instructions around the page.
