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