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