We have two blocks, A and B. Block A is to the left of B. Block A has two big yellow triangles. Big yellow triangle number one is touching the right edge of this block. A medium black square is near to and below a small yellow circle which is to the left of big yellow triangle number one. To the left of big yellow triangle number two is the small yellow circle. Above big yellow triangle number one there is a big blue square. Block B contains a small yellow triangle. This block also has one medium yellow square. The small yellow triangle is to the right of the medium yellow square.
Which object is to the left of a medium yellow square? the medium black thing or the small yellow triangle?
the medium black thing the small yellow triangle  both of them none of them