We have three blocks. We call them A, B and C. Block B is to the left of C and block C is to the left of A. Block A contains a medium yellow square. Block B contains a medium black square. The medium black square is touching the bottom edge of this block. This block also has a medium blue square. Below the medium blue square is the medium black square. Block C contains three medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Medium yellow square number two is below medium yellow square number three. Below medium yellow square number three and medium yellow square number two there is medium yellow square number one.
Which object is to the left of a medium yellow square? medium yellow square number three or medium yellow square number two?
medium yellow square  number three medium yellow square  number two both of them none of them