There are three blocks, A, B and C. Block A has one medium blue square. Block B is below block A. It contains one medium blue square. It also has one medium yellow square. The medium yellow square is below the medium blue square. To the left of block B there is block C with one medium black square in it. Below the medium black square is a medium blue square.
What is to the left of the yellow shape? a medium blue square that is in block A or a medium blue square that is in block B?
medium blue square  that is in block A medium blue square  that is in block B both of them none of them