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