We have three blocks. We call them A, B and C. Block C is to the right of A and block B is to the left of C. Block A contains a small yellow square. This block also has a big blue circle. The big blue circle is touching the left edge of this block. Below the big blue circle there is the small yellow square. Block B has a medium blue square. And block C contains a medium yellow square and one big yellow square. The medium yellow square 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 big yellow square? a big blue circle which is touching the left edge of a block or a medium yellow square that is touching the right edge of a block?
big blue circle  which is touching the left edge of a block  medium yellow square  that is touching the right edge of  a block  both of them none of them