We have three blocks, A, B and C. Block C is to the right of block B and it is to the left of block A. Block A has a small blue square. Block B contains a small blue square, one medium yellow square and one medium blue triangle. The medium blue triangle is touching the right edge of this block. Below the medium blue triangle is the small blue square. The medium yellow square is below and to the left of the medium blue triangle. And block C has a big blue square. A medium black square is to the left of the big blue square.
Which object is to the left of a small blue square? the triangle that is touching the right edge of a block or the big blue square?
the triangle  that is touching the right edge of  a block  the big blue square  both of them none of them