We have three blocks. We call them A, B and C. Block A is above B. Block C is to the left of A. Block A has one medium black square. Block B has a medium blue square. Block C has three medium blue squares. This block also contains one medium yellow square. This shape is below medium blue square number three. Below medium blue square number three , medium blue square number two and the medium yellow square is medium blue square number one. Medium blue square number two is below medium blue square number three.
What is to the left of the black thing? a medium blue square that is in block B or a medium blue square number three?
medium blue square  that is in block B medium blue square  number three both of them none of them