There are three blocks. We call them A, B and C. Block C is to the left of and B is to the right of A. Block A contains one medium blue square. Block B has two medium yellow squares. Below medium yellow square number two is medium yellow square number one. And block C contains a medium black square. This block also has a medium blue square. Below the medium black square is the medium blue square.
Which object is to the left of a medium yellow square? the black object or the medium blue square which is touching the bottom edge of a block?
the black object the medium blue square  which is touching the bottom edge of a block  both of them none of them