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