We have three blocks. We call them A, B and C. Block B is below A. Block A is below C. Block A contains a medium blue square. Block B has one small yellow square. This block also contains a big yellow square. A big black triangle is also in this block. To the left of the small yellow square is the big yellow square. Near to and to the left of a medium yellow circle is the small yellow square. This shape is above and to the right of the big black triangle. Block C contains a medium black square.
Which object is below a medium black square? the small shape or the big yellow square?
the small shape the big yellow square  both of them none of them