There are three blocks. Lets call them A, B and C. Block A has a medium black square. Block B is above block A. It contains two medium blue squares. Medium blue square number one is below medium blue square number two. To the left of block B there is block C. It contains one medium blue square and one medium yellow square. Below the medium yellow square is the medium blue square.
Which object is to the left of 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