There are three blocks. We call them A, B and C. Block C is to the left of and A is to the right of B. Block A contains one medium blue square and one medium black square. The medium blue square is below the medium black square. Block B has two medium black squares. Below medium black square number one and medium black square number two is a medium yellow square.. The medium yellow square is touching the bottom edge of this block. Below medium black square number two is medium black square number one. Block C has a medium yellow square.
What is above the object that is touching the bottom edge of a block? a medium black square number two or a medium black square that is in block A?
medium black square  number two medium black square  that is in block A both of them none of them