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