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