We have three blocks, A, B and C. Block B is to the right of and A is below C. Block A has one medium blue square. The medium blue square is below a medium black square. Block B contains a medium black square and a medium blue square. The medium black square is below the medium blue square. And block C has one medium black square.
Which object is below a medium black square? the medium blue square that is in block B or the medium blue square which is in block A?
the medium blue square  that is in block B the medium blue square  which is in block A both of them none of them