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