There are three blocks. Lets call them A, B and C. There is one big yellow triangle in block A. This block also contains one medium blue triangle. The medium blue triangle is to the left of the big yellow triangle. Block B is to the right of block A. It contains a big yellow circle and a big blue triangle. The big yellow circle is to the left of the big blue triangle. To the left of block A there is block C with one big black triangle and a small blue triangle in it. There is also one big yellow circle in this block. It also contains one small yellow square. The big black triangle is touching the right edge of this block. The big yellow circle is near to the small blue triangle. It is to the left of the small yellow square. Below the small yellow square there is the big black triangle. It is to the right of the big yellow circle and the small blue triangle.
Which object is to the left of a big blue triangle? the small blue triangle or the big black triangle that is touching the right edge of a block?
the small blue triangle  the big black triangle  that is touching the right edge of  a block  both of them none of them