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