There are three blocks, A, B and C. Block B is to the right of and C is to the left of A. Block A has two medium black squares. Medium black square number one is below a medium yellow square and medium black square number two. The medium yellow square is below medium black square number two. Block B has two medium black squares. Below medium black square number two there is medium black square number one. Block C has a medium black square.
What is to the right of the yellow thing? a medium black square that is in block C or a medium black square number two?
medium black square  that is in block C medium black square  number two both of them none of them