We have three blocks. Lets call them A, B and C. Block A is above C. Block B is below A. Block A contains two medium black squares. Medium black square number one is touching the bottom edge of this block. This shape is below medium black square number two. Block B contains one medium black square. There is also a medium yellow square in this block. There is also one medium blue square touching the bottom edge of this block. Below the medium black square is the medium blue square. This object is below the medium yellow square. The medium black square is below the medium yellow square. Block C has two medium yellow squares. Medium yellow square number one is below medium yellow square number two and a medium blue square. Medium yellow square number two is below the 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