We have three blocks, A, B and C. Block A contains two medium black squares. Below a medium yellow square and medium black square number two is medium black square number one. It is touching the bottom edge of this block. The medium yellow square is below medium black square number two. Then, there is block B. It has a medium black square. Block C is above block B and below block A. It has two medium black squares. There is also one medium blue square touching the bottom edge of this block. Below medium black square number two and medium black square number one there is the medium blue square. Medium black square number one is below medium black square number two.
What is below the yellow object? a medium black square that is touching the bottom edge of a block or a medium black square number two?
medium black square  that is touching the bottom edge of a block  medium black square  number two both of them none of them