There are three blocks, A, B and C. One small black square and one small black triangle are in block A. The small black square is to the left of and below the small black triangle. To the left of block A we have block B which contains a medium yellow circle, a medium blue circle and a big blue square. A big blue triangle is above and to the left of the medium blue circle which is to the right of the big blue square. The medium blue circle is touching the bottom edge of this block. The big blue square is touching the bottom edge of this block. Touching and above the circle which is to the right of the big blue square is the medium yellow circle. It is below the big shape which is above the medium blue circle. Finally, we have block C to the right of block B. It has one medium blue square.
Which object is above a medium blue circle? the big blue triangle or the small black triangle?
the big blue triangle  the small black triangle  both of them none of them