There are three blocks. Lets call them A, B and C. One big yellow triangle and a medium blue square are in block A. A small yellow circle is touching the right edge of this block. The big yellow triangle is to the left of and below the medium blue square. The small yellow circle is to the right of and below the big yellow triangle. Below block A we have block B with one big blue circle in it. To the right of block A there is block C which has one big black triangle and a small yellow triangle. One medium black circle is also touching the bottom edge of this block. Near to, below and to the right of a medium blue square is the small yellow triangle. To the right of and below the medium blue square is the big black triangle.
Which object is to the right of a medium blue square? the big black triangle or the small yellow triangle?
the big black triangle  the small yellow triangle  both of them none of them