We have three blocks, A, B and C. Block A contains one medium blue circle and a medium yellow triangle. To the left of and above the medium yellow triangle is the medium blue circle. The medium yellow triangle is touching the bottom edge of this block. To the left of block A there is block B with one big black circle in it. Near to the big black circle is a big yellow square. The big black circle is touching the right edge of this block. To the left of block B there is block C with a big black square and a medium black square in it. The big black square is touching the right edge of this block. A medium blue square is touching the bottom edge of this block. It is near to the medium black square. The big black square is below the medium black square. It is to the right of the medium blue square.
What is to the left of the big black circle? a medium blue circle or a medium blue square that is touching the bottom edge of a block?
medium blue circle  medium blue square  that is touching the bottom edge of a block  both of them none of them