We have two blocks. We call them A and B. Block A is below B. Block A contains two medium black squares and two other medium blue squares. Medium black square number one is touching the bottom edge of this block. Medium blue square number one is below medium blue square number two and medium black square number two. Medium blue square number two is below medium black square number two. Below medium black square number two and medium blue square number two there is medium black square number one. Block B contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two.
Which object is below a medium yellow square? medium blue square number one or medium blue square number two?
medium blue square  number one medium blue square  number two both of them none of them