How to choose ninja weapons<br>Use throwing stars to inflict minor wounds. Throwing stars are trademark ninja weapons. They come in many different sizes, but essentially they are flat pieces of metal with sharpened tips that can be thrown at enemies from a distance.

Can we draw the following conclusion?
Throwing stars come in three standard sizes.

Select from the following.
 (a). Yes
 (b). It's impossible to say
 (c). No