There are two blocks, A and B. A small blue triangle, a big blue triangle and a medium black triangle are in block A. The medium black triangle is below a small yellow circle and a medium yellow triangle. The big blue triangle is touching the bottom edge of this block. This block also has a big blue square. Block B is to the left of block A. It contains a big yellow triangle.
Which object is to the right of a big yellow triangle? the medium yellow triangle or the medium black triangle?
the medium yellow triangle  the medium black triangle  both of them none of them