We have three blocks. We call them A, B and C. Block B is to the left of A and block A is to the right of C. Block A contains a medium yellow square. Block B has a medium black square. And block C has three medium blue squares. Medium blue square number one is below medium blue square number two and medium blue square number three. Medium blue square number two is below medium blue square number three.
What is to the left of the yellow object? a medium blue square number one or a medium blue square number two?
medium blue square  number one medium blue square  number two both of them none of them