There are three blocks. We call them A, B and C. Block C is to the right of block A and to the left of block B. Block A contains one medium yellow square and a medium black square. The medium yellow square is touching the bottom edge of this block. This object is below the medium black square. Block B has one medium blue square and a medium black square. The medium blue square is touching the bottom edge of this block. This shape is below the medium black square. And block C contains a medium blue square.
Which object is to the left of a medium blue square? the medium black square that is in block A or the medium black square that is in block B?
the medium black square  that is in block A the medium black square  that is in block B both of them none of them