There are three blocks, A, B and C. Block A is to the right of blocks C and B. Block A has a big yellow square. Block B has a big black square and a medium blue circle. The big black square is near to and to the left of a small yellow square which is to the right of the medium blue circle. And block C has one big blue triangle. There is also one small black triangle in this block. It is near to and to the left of the big blue triangle. One big blue square is also in this block. A medium blue square is touching the right edge of this block. The big blue triangle is touching the right edge of this block. Below the small object which is near to the big blue triangle there is the big blue square. Below the big blue triangle there is the medium blue square.. Touching the square which is below the big blue triangle there is the big blue square.
Which object is to the left of a big yellow square? the small black triangle or the big blue square?
the small black triangle  the big blue square  both of them none of them