We have three blocks, A, B and C. Block B is to the right of C and block A is below B. Block A contains a big black circle and one medium black triangle. One small blue triangle is also in this block. The small blue triangle is below and to the right of the big black circle. The big black circle is touching the left edge of this block. It is to the left of the medium black triangle. Block B contains a big black triangle. Above the big black triangle there is a big black square. Block C contains a medium black circle, a big black circle and one big yellow square. Near to the big yellow square is the medium black circle. To the left of the big yellow square is the big black circle. The big yellow square is touching the right edge of this block. The medium black circle is touching the bottom edge of this block. The big black circle is touching the bottom edge of this block. The medium black circle is to the right of the big object which is to the left of the big yellow square.
Which object is below a big black triangle? the small blue triangle or the big yellow square which is touching the right edge of a block?
the small blue triangle  the big yellow square  which is touching the right edge of  a block  both of them none of them