There are three blocks. We call them A, B and C. Block A has one medium blue triangle, a big black triangle and a big yellow triangle. Far from and above the big yellow triangle is the medium blue triangle. The big black triangle is touching the bottom edge of this block. The medium blue triangle is to the left of and above the big black triangle. The big yellow triangle is touching the right edge of this block. Block B is to the left of block A. It has one big yellow square. Finally, we have block C which is above block A. It has one medium blue square.
What is below the medium blue square? a big yellow square or a big yellow triangle that is touching the right edge of a block?
big yellow square  big yellow triangle  that is touching the right edge of  a block  both of them none of them