There are two blocks. We call them A and B. Block A is to the right of B. Block A contains a medium blue square. The medium blue square is touching the bottom edge of this block. This block also has a medium black square. Below the medium black square there is the medium blue square. Block B contains two medium blue squares. There is also one medium black square in this block. This shape is below medium blue square number two. Below the medium black square and medium blue square number two is medium blue square number one.
Which object is to the left of a medium black square? medium blue square number two or the medium blue square that is touching the bottom edge of a block?
medium blue square  number two the medium blue square  that is touching the bottom edge of a block  both of them none of them