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