We have three blocks, A, B and C. Block A has a medium blue square. Then, there is block B. It contains a medium yellow square and one medium black square. The medium yellow square is below the medium black square. Finally, we have block C to the left of block B and block A is above it. It contains one medium blue square and a medium yellow square. Below the medium yellow square is the medium blue square.
What is to the left of the black thing? a medium yellow square that is in block B or a medium yellow square that is in block C?
medium yellow square  that is in block B medium yellow square  that is in block C both of them none of them