We have three blocks. Lets call them A, B and C. There is one medium blue triangle in block A. To the right of block A is block B which contains a big blue square and a big yellow triangle. Near to and below the big yellow triangle is the big blue square. This block also has a medium black circle.. Above the medium black circle is the big blue square. The medium black circle is touching the right edge of this block. To the right of block B there is block C with a big black square in it.
What is to the left of the big black square? a big blue square or a circle which is touching the right edge of a block?
big blue square  circle  which is touching the right edge of  a block  both of them none of them