There are three blocks, A, B and C. Block C is above A and block A is below B. Block A has a medium blue square. Block B has one medium blue square. And block C has one medium black square, one medium yellow square and a medium blue square. The medium black square is below the medium blue square and the medium yellow square. The medium yellow square is below the medium blue square.
Which object is below a medium blue square? the yellow thing or the black thing?
the yellow thing the black thing both of them none of them