There are three blocks. We call them A, B and C. There is one medium black square in block A. To the left of block A is block B with a medium blue square in it. Finally, we have block C. It is to the left of block B. It contains two medium yellow squares and two other medium blue squares. Below medium blue square number one , medium blue square number two and medium yellow square number two is medium yellow square number one. Medium blue square number one is below medium yellow square number two and medium blue square number two.
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