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