We have three blocks. Lets call them A, B and C. Block B is to the right of blocks A and C. Block A has one big yellow triangle and one small blue triangle. The big yellow triangle is to the left of the small blue triangle. Block B contains one big black circle. A medium blue triangle is above and to the left of the big black circle. Block C contains one medium black triangle.
Which object is to the left of a medium blue triangle? the big circle or the medium black triangle?
the big circle  the medium black triangle  both of them none of them