We have three blocks. We call them A, B and C. Block A has a medium yellow square. To the left of block A we have block B. It has two medium black squares. Medium black square number one is below medium black square number two. Below medium black square number one and medium black square number two is a medium blue square. Finally, there is block C above block B. It has one medium black square.
Which object is to the left of a medium square? medium black square number one or the medium black square that is in block C?
medium black square  number one the medium black square  that is in block C both of them none of them