There are three blocks. Lets call them A, B and C. Block C is below A and block A is to the left of B. Block A has one medium blue square and one medium yellow square. The medium blue square is below the medium yellow square. Block B contains one medium yellow square. This block also contains a medium blue square. The medium yellow square is touching the bottom edge of this block. This shape is below the medium blue square. Block C has a medium yellow square and one medium black square. Below the medium black square is the medium yellow square.
Are all medium blue squares below a medium yellow square?