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