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