We have two blocks, A and B. Block A is above B. Block A contains a big black triangle, one medium black triangle and one medium yellow triangle. The big black triangle is touching the right edge of this block. To the left of and above the medium yellow triangle which is to the left of a small yellow triangle is the medium black triangle. The medium yellow triangle is touching the bottom edge of this block. Above and to the right of the medium yellow triangle there is the big black triangle. Block B contains a small yellow triangle and a medium yellow triangle. Near to and to the left of the medium yellow triangle there is the small yellow triangle.
Which object is above a thing that is touching the bottom edge of a block? the medium black triangle that is in block A or the medium black triangle which is in block A?
the medium black triangle  that is in block A the medium black triangle  which is in block A both of them none of them