There are three blocks, A, B and C. One big blue square and a medium blue circle are in block A. The big blue square is touching the bottom edge of this block. It is to the right of the medium blue circle. Then, there is block B which contains a small yellow square. It also contains a medium blue circle.. The small yellow square is below and to the left of the medium blue circle. Above block A and below block B there is block C with a medium yellow triangle and one small blue triangle in it. The medium yellow triangle is below and to the right of the small blue triangle.
Which object is above a blue square? the small blue triangle or the medium yellow triangle?
the small blue triangle  the medium yellow triangle  both of them none of them