There are three blocks. We call them A, B and C. Block A contains a medium black square and a medium blue square. Below the medium blue square there is the medium black square. Below block A is block B. It has two medium yellow squares and two other medium blue squares. Medium yellow square number one is touching the bottom edge of this block. Medium yellow square number two is below medium blue square number one. Medium blue square number one is below medium blue square number two. Below medium blue square number one and medium yellow square number two there is medium yellow square number one. Medium yellow square number two is below medium blue square number two. Above block B there is block C which has one medium black square.
Which object is below a medium black square? medium yellow square number two or the thing that is touching the bottom edge of a block?
medium yellow square  number two the thing that is touching the bottom edge of a block  both of them none of them