There are two blocks. We call them A and B. Block A is to the right of B. Block A contains one medium blue circle, a small black circle and one big yellow triangle. To the left of and above the big yellow triangle is the small black circle. The big yellow triangle is touching the bottom edge of this block. There is also one small blue square in this block. This shape is to the left of the big yellow triangle. The medium blue circle is above the big yellow triangle. It is to the left of the small black circle. Block B has a big yellow square, a big black triangle and one medium yellow triangle. A medium blue circle is below a medium yellow square. The medium yellow square is touching the right edge of this block. A small yellow circle is near to and to the right of the medium yellow triangle. The medium yellow square is above the medium yellow triangle. The medium yellow triangle is touching the bottom edge of this block. The medium yellow square is to the right of the big black triangle.
What is to the left of the small blue square? a medium blue circle or a medium yellow triangle that is touching the bottom edge of a block?
medium blue circle  medium yellow triangle  that is touching the bottom edge of a block  both of them none of them