There are three blocks. We call them A, B and C. One medium blue square and a big blue square are in block A. The medium blue square is touching the right edge of this block. This object is to the right of and touching the big blue square. Then, we have block B which contains a big yellow square. To the right of block B and to the left of block A there is block C. It contains a big yellow square. A medium black triangle is touching the right edge of this block. It is to the right of the big yellow square.
What is to the left of the medium triangle? a big yellow square or a medium blue square?
big yellow square  medium blue square  both of them none of them