There are three blocks, A, B and C. Block C is to the left of and A is to the right of B. Block A has 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. Block B contains a medium black square and a medium yellow square. There is also a medium blue square in this block. Below the medium blue square is the medium yellow square. The medium black square is touching the bottom edge of this block. It is below the medium blue square and the medium yellow square. And block C contains one medium black square.
Which object is below a medium blue square? the medium blue square which is touching the bottom edge of a block or the medium yellow square?
the medium blue square  which is touching the bottom edge of a block  the medium yellow square  both of them none of them