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