We have three blocks, A, B and C. Block B is below C. Block A is to the left of B. Block A contains one medium black square. Block B has one medium yellow square. It also has a medium blue square. Below the medium blue square there is the medium yellow square. Block C contains two medium blue squares. Medium blue square number one is touching the bottom edge of this block. It is below medium blue square number two.
Which object is above a medium square? the medium blue square which is in block B or medium blue square number two?
the medium blue square  which is in block B medium blue square  number two both of them none of them