We have three blocks. We call them A, B and C. Block C is below block A and to the right of block B. Block A contains one medium yellow square. Block B has a medium black square and one medium blue square. Below the medium blue square there is the medium black square. And block C contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two.
Which object is to the left of a medium yellow square? the medium black square or the medium blue square?
the medium black square  the medium blue square  both of them none of them