We have three blocks. Lets call them A, B and C. Block A is to the right of C and block C is above B. Block A has one medium blue triangle, a medium yellow triangle and a small yellow square. Above and to the right of the medium yellow triangle there is the medium blue triangle. It is to the left of and above the small yellow square. Block B contains one small yellow circle, one medium black triangle and a big black square. One medium black square is also touching the top edge of this block. The small yellow circle is touching the right edge of this block. The big black square is touching the bottom edge of this block. It is below the medium black square. Below the medium black square there is the small yellow circle. The medium black triangle is above the black shape which is below the medium black square. It is below, to the right of and near to the medium black square. Block C has a big yellow circle and a small blue square. The big yellow circle is below and to the right of the small blue square.
What is to the left of the medium yellow triangle? a medium blue triangle or a small blue square?
medium blue triangle  small blue square  both of them none of them