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