There are three blocks, A, B and C. Block B is above block A and below block C. Block A contains a medium blue square. Block B has one medium yellow square. Block C contains two medium yellow squares. It also has one medium blue square. Below medium yellow square number one and medium yellow square number two is the medium blue square. Below medium yellow square number two there is medium yellow square number one.
What is below the object which is touching the bottom edge of a block? a medium yellow square number one or a medium yellow square number two?
medium yellow square  number one medium yellow square  number two both of them none of them