There are three blocks. Lets call them A, B and C. Block A is below C and block C is below B. Block A has a medium black square. This block also has one medium blue square. Below the medium black square is the medium blue square. Block B contains one medium blue square and one medium yellow square. Below the medium yellow square is the medium blue square. Block C has two medium black squares. Below medium black square number two there is medium black square number one.
Which object is below a medium blue square? the medium black square that is in block A or medium black square number one?
the medium black square  that is in block A medium black square  number one both of them none of them