There are three blocks, A, B and C. Block A is to the left of C. Block C is below B. Block A contains one medium black square. Block B contains one medium blue square. Block C contains two medium blue squares. One medium black square and a medium yellow square are also in this block. Medium blue square number one is below the medium yellow square , the medium black square and medium blue square number two. Below medium blue square number two there is the medium black square. Medium blue square number two is below the medium yellow square.
Which object is below a medium square? the medium black square which is in block A or the medium black square that is in block C?
the medium black square  which is in block A the medium black square  that is in block C both of them none of them