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