We have two blocks, A and B. Block A is above B. Block A has a medium blue square. Block B has three medium black squares. It also contains a medium blue square. Medium black square number one is below medium black square number two and medium black square number three. Medium black square number two is below medium black square number three. Below medium black square number one and medium black square number two there is the medium blue square.
Which object is below a medium blue square? medium black square number two or medium black square number one?
medium black square  number two medium black square  number one both of them none of them