There are three blocks. We call them A, B and C. There is a medium black square in block A. Above block A we have block B with one medium black square in it. Above block B there is block C with a medium blue square and one medium black square in it. This block also has a medium yellow square. Below the medium yellow square and the medium black square there is the medium blue square. It is touching the bottom edge of this block.. Below the medium yellow square there is the medium black square.
Which object is above a medium black square? the yellow thing or the medium blue square that is touching the bottom edge of a block?
the yellow thing the medium blue square  that is touching the bottom edge of a block  both of them none of them