The answer to this is C I-beam
What's the question your asking here cause I'd be happy to answer it.
Intellectual property is anything that has been designed, technically all of the above is a form of intellectual property. If only one answer is possible, I believe the best choice is images on the internet.
Speaking for the rest however, literary work is created and therefore the book is as well. Computers are designed so the specifications and design plans are also intellectual property. Same goes for the shoes