We have three blocks. We call them A, B and C. Block A is below C. Block B is above A. Block A contains one medium blue square. Block B contains a medium black square. Block C has two medium yellow squares. Below medium yellow square number two and a medium blue square there is medium yellow square number one. Medium yellow square number two is below the medium blue 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