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