We have three blocks, A, B and C. Block A is below and C is to the left of B. Block A contains a big black triangle and one small black square. Above, to the right of and near to the small black square is the big black triangle. Block B has one medium blue circle. Above a small yellow triangle is a big blue circle. The medium blue circle is touching the right edge of this block. The small yellow triangle is touching the bottom edge of this block. The medium blue circle is to the right of the small yellow triangle. It is to the right of the circle which is above the small yellow triangle. And block C contains one big yellow square.
Which object is to the left of a medium thing? the big yellow square or the small yellow triangle that is touching the bottom edge of a block?
the big yellow square  the small yellow triangle  that is touching the bottom edge of a block  both of them none of them