There are three blocks. We call them A, B and C. Block A is to the right of C and block B is below A. Block A contains a big yellow circle and one medium black square. The big yellow circle is touching the right edge of this block. It is far from, to the right of and above the medium black square. Block B has one small blue circle, a medium yellow circle and a big black square. It also has one small blue square. This block also contains one medium blue triangle. It is to the right of the big black square. It is below the small blue square. Above and to the left of the medium object which is to the right of the big black square there is the medium yellow circle. It is below the small blue square. And block C contains one big yellow square. There is also one medium yellow triangle touching the bottom edge of this block. The medium yellow triangle is to the right of the big yellow square.
Which object is to the right of a big yellow square? the medium yellow triangle or the medium black square?
the medium yellow triangle  the medium black square  both of them none of them