There are three blocks. We call them A, B and C. Block A has one small blue triangle. Then, there is block B. It has one small yellow circle and a big blue square. One medium blue triangle is also touching the right edge of this block. The small yellow circle is near to the medium blue triangle. Above and to the left of the medium blue triangle is the big blue square. Finally, we have block C above block A and to the right of block B. It contains a big blue square, a small yellow circle and one small blue triangle. The big blue square is below the small yellow circle which is above the small blue triangle and a small yellow triangle. The small blue triangle is touching the right edge of this block. The big blue square is far from and to the left of the small blue triangle.
Which object is to the right of a big blue square? the small blue triangle that is touching the right edge of a block or the small yellow triangle?
the small blue triangle  that is touching the right edge of  a block  the small yellow triangle  both of them none of them