We have three blocks. We call them A, B and C. Block A is below C and block B is to the right of A. Block A contains two medium yellow squares. One medium blue square is also in this block. This shape is below medium yellow square number two. Below the medium blue square and medium yellow square number two there is medium yellow square number one. Block B contains one medium black square and a medium blue square. The medium black square is touching the bottom edge of this block. It is below the medium blue square. Block C has one medium black square.
What is to the left of the thing which is touching the bottom edge of a block? a medium blue square which is in block B or a medium blue square that is in block A?
medium blue square  which is in block B medium blue square  that is in block A both of them none of them