There are two blocks, A and B. Block A is to the left of B. Block A contains two medium yellow squares. Below a medium blue square and a medium black square is medium yellow square number one. Below the medium blue square there is medium yellow square number two.. The medium black square is below the medium blue square and medium yellow square number two. Block B has a medium yellow square.
Which object is to the left of a medium yellow square? the medium black square or the blue thing?
the medium black square  the blue thing both of them none of them