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