We have three blocks, A, B and C. Block C is to the right of block A and it is to the left of block B. Block A has one medium blue square and a medium black square. The medium blue square is touching the bottom edge of this block. It is below the medium black square. Block B contains one medium blue square. And block C has a medium yellow square and one medium black square. Below a medium blue square is the medium black square. Below the medium black square and the medium blue square there is the medium yellow square.
Which object is below a medium black square? the medium blue square that is in block C or the medium blue square which is touching the bottom edge of a block?
the medium blue square  that is in block C the medium blue square  which is touching the bottom edge of a block  both of them none of them