There are three blocks. We call them A, B and C. Blocks B and A are to the right of C. Block A has one medium yellow square. Block B has a medium yellow square and one medium black square. The medium yellow square is below the medium black square. Block C contains three medium blue squares. This block also contains a medium yellow square. This shape is below medium blue square number three. Medium blue square number two is below medium blue square number three. Below the medium yellow square , medium blue square number three and medium blue square number two is medium blue square number one.
Is the black shape to the left of all squares that are to the right of a blue square?