There are three blocks. Lets call them A, B and C. Block C is to the right of B and block B is to the right of A. Block A has a medium yellow square. Block B contains two medium black squares. There is also a medium yellow square touching the bottom edge of this block. Below medium black square number two there is the medium yellow square. This shape is below medium black square number one. Medium black square number one is below medium black square number two. Block C contains a medium blue square.
Which object is to the left of a medium square? medium black square number two or medium black square number one?
medium black square  number two medium black square  number one both of them none of them