There are three blocks. Lets call them A, B and C. Block A is below block B and to the right of block C. Block A contains a medium yellow triangle. Block B contains a big black circle. And block C has a big blue square, a medium yellow square and a big yellow square. The big yellow square is touching the right edge of this block. The medium yellow square is touching the right edge of this block. It is below the big yellow square. The big blue square is to the left of the medium yellow square and the big yellow square.
Which object is to the left of a medium yellow thing? the big black circle or the medium yellow square?
the big black circle  the medium yellow square  both of them none of them