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