There are three blocks, A, B and C. Block A is below block C and to the left of block B. Block A contains a medium black circle, one small blue triangle and one big yellow circle. The medium black circle is below the small blue triangle and the big yellow circle. A medium blue square is to the left of the big yellow circle. The medium black circle is to the left of the square which is to the left of the big yellow circle. The small blue triangle is touching the left edge of this block. The big yellow circle is touching the right edge of this block. Block B has one big yellow triangle. Block C has a medium yellow circle.
Which object is below a medium yellow circle? the medium blue square or the small blue triangle that is touching the left edge of a block?
the medium blue square  the small blue triangle  that is touching the left edge of a block  both of them none of them