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