We have three blocks, A, B and C. Block A is above C. Block C is to the right of B. Block A has one big yellow square, a big yellow triangle and a small yellow circle. Below a small blue triangle is the big yellow square. Below the small blue triangle and the small yellow circle is the big yellow triangle. Below the small yellow circle there is the big yellow square. Block B contains a small yellow square. Block C has a medium black square and one big blue triangle. It also has a medium yellow triangle. To the right of the big blue triangle and the medium yellow triangle is the medium black square.
Which object is to the right of a medium yellow triangle? the big yellow triangle or the medium black square?
the big yellow triangle  the medium black square  both of them none of them