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