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