We have three blocks, A, B and C. Blocks A and C are to the left of B. Block A contains two medium blue squares. Medium blue square number one is below medium blue square number two. Block B has two medium yellow squares. Medium yellow square number one is below medium yellow square number two and a medium black square. Below medium yellow square number two there is the medium black square. Block C contains a medium black square.
Which object is to the left of a medium yellow square? the medium black square that is in block C or the medium black square that is in block B?
the medium black square  that is in block C the medium black square  that is in block B both of them none of them