We have three blocks, A, B and C. Block C is above B and block A is above C. Block A has one small blue circle, a big black circle and a medium blue square. Above the big black circle which is below and to the left of the medium blue square is the small blue circle. Block B has one big black square. Block C contains a medium yellow circle.
Which object is below a medium blue square? the medium yellow shape or the big black circle?
the medium yellow shape the big black circle  both of them none of them