We have three blocks. Lets call them A, B and C. Block B is above blocks C and A. Block A contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two. Block B contains two medium black squares. Below medium black square number two is medium black square number one. There is also one medium blue square 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 C contains one medium blue square.
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