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