We have three blocks. Lets call them A, B and C. Block C is above B and block B is above A. Block A has a medium blue square and one medium yellow square. Below the medium yellow square there is the medium blue square. Block B has one medium yellow square. Block C has one medium blue square and one medium yellow square. The medium blue square is below the medium yellow square.
Which object is below a medium yellow square? the medium yellow square which is in block C or the medium yellow square which is in block A?
the medium yellow square  which is in block C the medium yellow square  which is in block A both of them none of them