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