We have two blocks. We call them A and B. There are a big yellow triangle, one medium yellow square and one big blue triangle in block A. The big yellow triangle is touching the right edge of this block. There is also a big yellow square touching the top edge of this block. To the right of and below the medium yellow square which is to the left of the big yellow square and the big blue triangle is the big yellow triangle. The big blue triangle is near to the big yellow square. Below block A is block B which contains one big black circle.
Which object is below a medium thing? the black object or the square which is touching the top edge of a block?
the black object the square  which is touching the top edge of a block  both of them none of them