There are three blocks, A, B and C. One medium yellow square and a medium blue square are in block A. Below the medium blue square there is the medium yellow square. To the right of block A there is block B with one medium black square and a medium blue square in it. Below the medium blue square is the medium black square. Below block B there is block C with a medium yellow square in it.
What is to the left of the black thing? a medium blue square that is in block B or a medium blue square that is in block A?
medium blue square  that is in block B medium blue square  that is in block A both of them none of them