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