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