There are two blocks. We call them A and B. Block A has two big black circles. To the left of a medium black square and big black circle number two is big black circle number one. Big black circle number two is touching the right edge of this block. Below big black circle number two is the medium black square. Block B is above block A. It contains a medium black triangle. There is also a small blue square in this block. A medium yellow square is also touching the bottom edge of this block. The medium black triangle is touching the bottom edge of this block. It is to the right of the medium yellow square. To the right of the medium black triangle and the medium yellow square there is the small blue square.
What is below the yellow thing? a small object or a medium black square?
small object medium black square  both of them none of them