There are three blocks, A, B and C. Block C is below A. Block A is above B. Block A contains one big yellow triangle. Block B has a small blue triangle. And block C contains one small yellow triangle. This block also has a medium blue square. There is also one big blue triangle touching the right edge of this block. Far from and to the right of the small yellow triangle there is the big blue triangle. This shape is above the medium blue square.
Which object is below a big yellow triangle? the medium blue square or the small yellow triangle?
the medium blue square  the small yellow triangle  both of them none of them