There are three blocks. We call them A, B and C. Block A is to the right of B and block B is below C. Block A contains one small yellow square. Block B has a medium blue square and a big yellow square. The medium blue square is above the big yellow square. Block C has a small yellow triangle and one medium yellow square. The small yellow triangle is near to and to the right of a big yellow circle. Below and to the right of a small black circle there is the medium yellow square. The small black circle is below the big yellow circle.
Which object is below a big yellow circle? the small yellow triangle or the small black circle?
the small yellow triangle  the small black circle  both of them none of them