We have three blocks, A, B and C. Block C is above A. Block A is above B. Block A has two medium blue squares. There is also one medium black square touching the bottom edge of this block. Below medium blue square number two is the medium black square. It is below medium blue square number one. Below medium blue square number two is medium blue square number one. Block B has one medium blue square. Block C has a medium yellow square.
What is below the yellow thing? a medium blue square number one or a medium blue square number two?
medium blue square  number one medium blue square  number two both of them none of them