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