We have three blocks, A, B and C. Block A is to the left of B. Block C is to the left of A. Block A contains a medium yellow square. Block B has one medium blue square. Block C contains a medium blue square and a medium black square. It also has one medium yellow square. The medium blue square is below the medium yellow square and the medium black square. The medium black square is below the medium yellow 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