We have three blocks, A, B and C. Block A is below C. Block B is above A. Block A contains a medium yellow square. Block B contains one medium yellow square and a medium blue square. Below the medium blue square there is the medium yellow square. And block C contains two medium black squares. Medium black square number one is below medium black square number two and a medium blue square. Medium black square number two is below the medium blue square.
Which object is below a medium blue square? medium black square number one or medium black square number two?
medium black square  number one medium black square  number two both of them none of them