There are two blocks, A and B. Block A is to the left of B. Block A contains a medium yellow square. This block also has one medium black square. The medium black square is below a medium blue square and the medium yellow square. Below the medium yellow square there is the medium blue square. Block B contains one medium yellow square. A medium blue square is below the medium yellow square.
Which object is to the left of a medium blue square? the medium yellow square which is in block A or the medium yellow square that is in block B?
the medium yellow square  which is in block A the medium yellow square  that is in block B both of them none of them