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