There are three types of robots in a laboratory  Type C can recognize color, type S can recognize shape, and type X can neither recognize color nor shape  All three types of robots can pick up experiments at a simple command
One is not an   type-S robots and two is not a type-C robots.
 When 1 and 2 were asked to pick up a red ball, 1 picked up a red square and 2 picked up a blue ball