There are three blocks. Lets call them A, B and C. Block C is below block A and it is to the left of block B. Block A contains one medium yellow square. Block B contains a medium blue square. Block C contains two medium yellow squares. Below a medium black square is medium yellow square number two. Medium yellow square number one is below the medium black square and medium yellow square number two.
Which object is below a medium yellow square? the black object or the medium blue square?
the black object the medium blue square  both of them none of them