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