We have three blocks, A, B and C. Block B is above blocks A and C. Block A has two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Medium yellow square number two is below a medium blue square. Medium yellow square number one is below medium yellow square number two and the medium blue square. Block B has one medium black square. And block C has one medium blue square.
Which object is below a medium square? the medium blue square that is in block A or the medium blue square that is in block C?
the medium blue square  that is in block A the medium blue square  that is in block C both of them none of them