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