We have three blocks. Lets call them A, B and C. Two medium black squares are in block A. Near to, below and touching a big blue triangle which is below a big yellow triangle is medium black square number one. There is also a medium yellow triangle in this block. It also has a small yellow triangle. The big blue triangle is touching the right edge of this block.. To the left of the big yellow triangle is the medium yellow triangle. Block B is above block A. It contains a medium yellow triangle and a big yellow triangle. The medium yellow triangle is to the right of and above the big yellow triangle. This block also has a medium blue circle. The medium yellow triangle is below and to the right of the medium blue circle. Above block A there is block C. It has one medium black triangle and one small yellow circle. The medium black triangle is below the small yellow circle.
What is below the medium black triangle? a medium black square or a big object that is touching the right edge of a block?
medium black square  big object that is touching the right edge of  a block  both of them none of them