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