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