We have three blocks, A, B and C. Block A has two medium yellow squares. Medium yellow square number one is below a medium blue square and medium yellow square number two. The medium blue square is below medium yellow square number two. Block B is above block A. It contains a medium black square. Below block B there is block C with one medium blue square in it.
Which object is below a black thing? the medium blue square that is in block C or the medium blue square that is in block A?
the medium blue square  that is in block C the medium blue square  that is in block A both of them none of them