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