There are three blocks. Lets call them A, B and C. Block C is to the right of block B and to the left of block A. Block A has one medium blue triangle, one small yellow square and a small blue circle. There is also a big blue circle touching the right edge of this block. One big black square is also touching the bottom edge of this block. The small yellow square is near to the small blue circle. This shape is above the big blue circle and the big black square.. Above and to the right of the big black square is the big blue circle. Block B contains a big blue triangle and a big black square. There is also a medium black triangle in this block. This object is near to and to the left of the big black square. The big blue triangle is below the big black square. Block C has one small blue triangle.
Which object is to the left of a object that is touching the right edge of a block? the medium black triangle or the small yellow square?
the medium black triangle  the small yellow square  both of them none of them