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