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