There are three blocks, A, B and C. Block A contains two medium yellow squares. Medium yellow square number one is below medium yellow square number two. Above block A is block B which has one medium black square and one medium blue square. Below the medium blue square there is the medium black square. Finally, there is block C. It is below block B. It contains a medium blue square. It also has a medium black square. Below the medium blue square there is the medium black square.
Which object is below a medium blue square? medium yellow square number two or medium yellow square number one?
medium yellow square  number two medium yellow square  number one both of them none of them