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