There are three blocks, A, B and C. Block B is above blocks A and C. Block A contains two medium blue squares. Medium blue square number one is below medium blue square number two. Block B contains two medium black squares. Below medium black square number two is medium black square number one. And block C contains two medium black squares. Medium black square number one is touching the bottom edge of this block. It is below medium black square number two.
Which object is below a medium black square? medium blue square number two or medium blue square number one?
medium blue square  number two medium blue square  number one both of them none of them