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