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