There are three blocks. We call them A, B and C. Blocks B and C are below A. Block A contains a medium black square. Block B has a medium black square. And block C has two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Medium yellow square number two is below a medium blue square.. Below the medium blue square and medium yellow square number two there is medium yellow square number one.
Which object is below a medium black square? the blue object or the medium yellow square that is touching the bottom edge of a block?
the blue object the medium yellow square  that is touching the bottom edge of a block  both of them none of them