We have three blocks. Lets call them A, B and C. A big blue circle is in block A. A big blue triangle is to the left of the big blue circle. Block B is to the right of block A. It contains a small black circle, a big black triangle and a big black square. It also contains one medium blue square. The small black circle is to the left of the medium blue square and the big black square. The big black triangle is above, to the right of and near to the big black square. Below block B there is block C with one small yellow triangle in it. This block also has one medium blue circle. The small yellow triangle is touching the bottom edge of this block. The medium blue circle is to the right of the small yellow triangle.
Which object is below a big black square? the medium blue circle or the big black triangle?
the medium blue circle  the big black triangle  both of them none of them