There are two blocks, A and B. Block A is to the right of B. Block A contains a medium yellow square. Block B has a medium black triangle, one medium blue square and a big black square. There is also a small blue square in this block. A medium yellow triangle is also in this block. It is near to and to the left of the big black square. To the right of the medium blue square is the medium black triangle. To the right of and above the small blue square there is the big black square.
Which object is to the left of a medium yellow square? the medium blue square or the medium yellow triangle?
the medium blue square  the medium yellow triangle  both of them none of them