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