We have two blocks. Lets call them A and B. Block A contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two. Block B is above block A. It contains two medium black squares. Medium black square number one is touching the bottom edge of this block. Below medium black square number two there is a medium blue square. Below the medium blue square and medium black square number two is medium black square number one.
Which object is below a medium black square? medium yellow square number one or medium yellow square number two?
medium yellow square  number one medium yellow square  number two both of them none of them