There are three blocks. Lets call them A, B and C. Block A is above C. Block C is to the left of B. Block A has a medium black square. This block also has one medium blue square. Below the medium black square there is the medium blue square. Block B contains one medium black square. Block C contains a medium blue square and a medium black square. Below the medium black square there is the medium blue square.
Which object is above a medium blue square? the medium black square which is in block C or the medium black square which is in block A?
the medium black square  which is in block C the medium black square  which is in block A both of them none of them