We have two blocks, A and B. Block A is to the left of B. Block A contains a medium blue square, one medium yellow square and a small yellow square. A medium black square is below, near to and to the right of the small yellow square. To the left of and below a medium black circle is the medium blue square. It is above the medium yellow square. Block B has a small yellow square.
Which object is to the left of a medium black thing? the blue object or the medium yellow square?
the blue object the medium yellow square  both of them none of them