There are two blocks, A and B. Block A is below B. Block A contains a medium blue square. Block B has a big yellow circle, a small yellow circle and a medium black circle. There is also one big blue circle in this block. There is also one small black square in this block. The small yellow circle is near to the big blue circle. The medium black circle is touching the bottom edge of this block. Below and near to the small black square there is the big blue circle. To the right of the big blue circle and the small yellow circle is the big yellow circle.
Which object is above a medium blue square? the small black square or the thing which is touching the bottom edge of a block?
the small black square  the thing which is touching the bottom edge of a block  both of them none of them