We have three blocks, A, B and C. Block A is to the left of blocks B and C. Block A contains a medium blue square. Block B has a medium yellow square and a medium black square. The medium yellow square is below the medium black square. Block C has one medium yellow square and a medium blue square. Below the medium blue square and a medium black square there is the medium yellow square. The medium black square is below the medium blue square.
Which object is to the right of a medium blue 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