We have three blocks, A, B and C. Block A is above C. Block B is to the right of A. Block A contains one medium blue square, one medium yellow square and one medium black square. The medium yellow square is below the medium black square. Below the medium yellow square and the medium black square is the medium blue square. Block B contains one medium black square. Block C has a medium yellow square.
Which object is to the left of a medium black square? the medium yellow square that is in block C or the medium yellow square that is in block A?
the medium yellow square  that is in block C the medium yellow square  that is in block A both of them none of them