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