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