There are three blocks, A, B and C. Block A is to the left of block B and below block C. Block A contains one medium black square. Block B has two medium black squares. Medium black square number one is touching the bottom edge of this block. Below a medium yellow square there is medium black square number two. Medium black square number one is below the medium yellow square and medium black square number two. Block C contains two medium black squares. Below a medium blue square and medium black square number two is medium black square number one. This object is touching the bottom edge of this block. The medium blue square is below medium black square number two.
What is below the yellow thing? a medium black square that is in block A or a medium black square number two?
medium black square  that is in block A medium black square  number two both of them none of them